Which of the following pairs of expressions are equivalent?

The equivalent pairs of expressions are:

A. 6 (y + 3) and 6xy + 3 (distributive property applies)

B. -5 (a - 1) and -5a + 5 (distributive property applies)

C. 12t + 6 and 12(t + 1/2) (distributive property applies)

D. 8c + 40 and 8(c - 5) (distributive property applies)