When checking for subject-verb agreement, you want to identify
a. the appositive phrase
b. the simple subject
c. the negative phrase
d. the prepositional phrase?

onto a large boat, and mark the water level that the boat sinks to. then, take the elephant out and put a bunch of marked weights onto the boat until it reaches the same water level. add up the masses of the weights to get the weight of the elephant.

the correct answer is d. a discussion of specific uses of alliteration

.

when you are critiquing or evaluating a poem, you will mostly pay attention to the theme, as well as figures of speech and rhythm. alliteration is a figure of speech where consonants are repeated in neighboring words - and it is important for analysis of sound and rhythm, which is why it might appear in the evaluation of that poem.