Read the following SAT test question and then click on a button to select your answer.

In a survey, a group of students from Westville High School were asked about their favorite movie genre. Each student in the group selected exactly one movie genre, and the data collected are summarized in the circle graph above. If 40 more students chose Action than Drama, how many students were surveyed in total?

(A) 100
(B) 150
(C) 200
(D) 250
(E) 300

来源:可可英语 http://www.kekenet.com/sat/201406/302760.shtml