Which pair shows equivalent expressions?
A. 2(2/5x + 2) = 2 2/5x + 1
B. 2 (2/5x + 2) = 4/5x + 4
C. 2(2/5x + 4) = 4/5x + 2
D. 2(2/5x + 4) = 2 2/5x + 8