Answer:
C.
Explanation:
<u>am/are/is </u>are all verbs in present progressive tense.
Example: Michael and Phil <em>are runn</em><u><em>ing</em></u>.
"In English grammar, progressive aspect refers to a verb phrase made with a form of be plus -ing that indicates an action or condition continuing in the present, past, or future."
Sources: thoughtco.com- Progressive grammar
Answer: I would contend that the right answer is the E) "... since they provide fascinating evidence about the creative processes in which this great Modernist engaged."
Explanation: Just to elaborate a little bit on the answer, it can be added that the other options feature sentences that end with a preposition ("engaged in"), and although this is permissible in the English language, it is not the most formal option. In the example, a good way to correct it is to replace it by "in which." I would suggest changing the sentence so it reads "Although the author himself declared them unpublishable, the first appearance in print of 40 poems by T.S. Eliot is a significant event, since they provide fascinating evidence about the creative processes in which this great Modernist engaged."
A person, place, or thing.
Answer: B.However
Explanation: Took the test. Hope this helped :)