Which of the following shows the factored form of this expression?

10k + 40
A. 5 A.(2k + 35)
B. 5 B.(2k + 40)
C. C.10 (k + 4)
D. D.10 (k + 40)
A. A
B. B
C. C
D. D

C. 10 (k + 4)