Question help please.

A math tutor working with a small study group has classified students in the group by whether or not they scored 85% or above on Exam 1 Exam 2 each of three tests. The results are shown in the Venn diagram to the right. 2 85% 2 85% Use the Venn diagram to represent the set of students who scored 85% or above on exam 1 and not on exam 2 in roster form. Ben Roz Oli Eva Hui Mel Don Cam Jen Flo Ny Lon Pat Gus Exam 3 2 85% Ken Choose the set of students who scored 85% or above on exam 1 and not on exam 2. O A. {Mel, Don} O B. {Pat, Gus, Al, Ken} O C. {Ben, Oli, Hui, Cam} O D. {Ben, Oli, Hui, Cam, Mel, Don}