✅ Sentence C is correct because "news" is a non-countable noun and always takes a singular verb ("was"), even though it ends in 's'. Non-countable nouns refer to things that cannot be counted individually and do not typically have plural forms.

❌ Sentence A is incorrect because "advice" is a non-countable noun and therefore does not take a plural 's'. The correct form would be "some advice" or "a piece of advice."

❌ Sentence B is incorrect because "furniture" is a non-countable noun and should not be pluralized with 's'. To refer to multiple items, one might say "pieces of furniture" or "items of furniture."

❌ Sentence D is incorrect because "information" is a non-countable noun and does not have a plural form. The phrase "a few" implies countability, which contradicts "information." It should be "some information" or "a few pieces of information."

✅ "Information" is a non-countable noun, referring to a general concept that cannot be easily divided into individual units and does not have a plural form ( "informations").

❌ "Desk" is a countable noun; you can have one desk, two desks, etc.

❌ "Idea" is a countable noun; you can have an idea, several ideas, etc.

❌ "Cloud" is a countable noun; you can see one cloud, many clouds, etc.

✅ Option D is correct because "assistance" is a non-countable noun, and it is used appropriately without a plural 's' or a numerical quantifier.

❌ Option A is incorrect because "advice" is a non-countable noun and does not take an 's' to form a plural; the correct form would be "good advice" or "pieces of good advice."

❌ Option B is incorrect because "discoveries" is a countable noun (singular: discovery), which can be pluralized and counted; the question specifically asks for the correct usage of a non-countable noun.

❌ Option C is incorrect because "feedback" is a non-countable noun and should not be pluralized with an 's'; the correct form would be "helpful feedback" or "items of helpful feedback."

✅ "Baggage" is a non-countable noun, meaning it cannot be singularized or pluralized directly (e.g., you can't say "one baggage" or "two baggages").

Instead, we use quantifiers like "a piece of baggage" or "some baggage."

❌ "Newspaper" is a countable noun; you can have "one newspaper" or "many newspapers."

❌ "Idea" is a countable noun; you can have "an idea" or "several ideas."

❌ "Friend" is a countable noun; you can have "a friend" or "friends."

✅ "Advice" is a non-countable noun, meaning it cannot be singular or plural and is not preceded by "a" or "an."

It refers to a general concept of guidance or recommendations.

❌ "Desk" is a countable noun; you can say "one desk," "two desks."

❌ "Pen" is a countable noun; you can say "a pen," "many pens."

❌ "Friend" is a countable noun; you can say "one friend," "several friends."