Insert Four Arithmetic Means Between -8 and 17 $\quad - 3,3,8,13$

Multiple Choice

Insert four arithmetic means between -8 and 17.

A) $\quad - 3,3,8,13$
B) $\quad 4,9,14,19$
C) $- 3,2,7,12$
D) $- 7 , - 6 , - 5 , - 4$
E) $0,1,2,3$