Answer: C.the author's opinion
Explanation:
The plural form of roof is roofs.
Although there are many words where f would become v, like in hooves, this is not one of those cases.
Paz uses all of the following literary devices except:
metaphor
repetition
simile
imagery
The correct answer is simile because there is no "like"or "as" used in the poem.
A) better at giving advice than taking it