Avenn diagram consists of two circles, a and b. the two circles form three regions, one region is the overlap of the two circles. the other two regions are portions of each circle not in the overlapped region. which of the following best represents the overlap region? a. those members in a or b. b. those members in a and b. c. those members not in either circle a or b. d. those members in b and possibly a. select the best answer from the choices provided a b c d