Which verb is correct in this sentence The sophomore English class (has, have) voted to take a field trip to the museum

The sophomore English class have voted to take a field trip to the museum

the answer to "what does the narrator realize by the end of the story" is b.

the tale of “aunty misery” written by judith ortiz cofer , is a folk tale about an old woman who earns immortality by tricking death . the cost of immortality however, is that her life will stay the same. from this tale it becomes clear that death is a necessary evil and is inevitable in life.  

question: which theme is found in the tale of "aunty misery? ”

answer: a. death may not seem friendly, but he should be treated kindly.