Read this example. Cherise was assigned to write a literary analysis of a book she read about the civil rights movement. Cherise did not enjoy the book because it was confusing to her. She believed that it introduced characters without explaining who they were and that it jumped too quickly from event to event without giving enough description.

Cherise’s thesis statement for her literary analysis is "Many different people were involved in the important events that started the civil rights movement.”
Which answer best describes Cherise’s thesis statement?
A. Cherise’s thesis is acceptable because it expresses an opinion about the subject.
B. Cherise’s thesis is acceptable because it summarizes the general points of the text.
C. Cherise’s thesis needs revision because it expresses an opinion and should not.
D. Cherise’s thesis needs revision because it lacks textual evidence about the topic.