Identify the alternative (A,B,C & D) that must be changed in order for  the sences to be correctThe area where(A) a microchip(B) is manufactured must be the most(C) cleanest.(D)

`A herd of cattle is passing` The underlined word is a/an- Option A: adverb , Option B: adjective , Option C: collective noun, Option D: abstract noun, correct answer is: collective noun

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