5. A committee of 4 students must be chosen from a pool of 5 sophomores, 9 juniors and 7 seniors. Annie, a senior, is not willing to serve in any committee that contains juniors. How many different committees include no sophomores and at most two juniors? justify! A. +(9) . (A) + (9) B. + (9) . (4) + (9) . . C. )·(4) + (1) () + (2) · (2) - (1) · (3) . D. () · (4) + (1) · (3) + (2) · (2) − (1) · (3) E. None of the above -