In the expression below, identify the like terms. Select all that apply.
7 + 14s + 5k - 2s - 2k - 14

A. 7, -14
B. -2k, -2s, -14
C. 14s, 5k, 7
D. 5k, -2k
E. 14s, -2s
F. -2s, 7