If every student in Mr. McNabb's class enjoys making masks, which of the following must be true?
(A)If a student enjoys making masks, then the student is not in Mr. McNabb's class. (B)If a student enjoys making masks, then the student is in Mr. McNabb's class. (C)If a student does not enjoy making masks, then the student is not in Mr. McNabb's class. (D)If a student is not in Mr. McNabb's class, then the student does not enjoy making masks. (E)If a student is in Mr. McNabb's class, then the student does not enjoy making masks.
C