Action because a verb is a doing word
Answer: C doesn't refer to any word in the sentence.
Explanation: is a phrase or clause that is not clearly and logically related to the word or words it modifies
When the subject needs to be emphasized more than the action performed,the active voice is used.So (a) is correct
Answer: A) It is made up of four two-syllable feet.
Explanation: A tetrameter is a line of a verse that possesses four two-syllable feet. A foot is a unit of measurement in which one syllable is stronger than the other one. The variation of the location of the stressed syllable can differ from the type of tetrameter, such as the classical iambic, the trochaic, and the anapestic verse.