Suppose A = BnCm, where A has dimensions LT, B has dimensions L2T−1, and C has dimensions LT2. Then the exponents n and m have the values: A. 2/3; 1/3 B. 2; 3 C. 4/5; −1/5 D. 1/5; 3/5 E. 1/2; 1/2