In the Man-On-Top Position,when Does the Deepest Vaginal Penetration Occur

Multiple Choice

In the man-on-top position,when does the deepest vaginal penetration occur?

A) When the woman's legs are hooked over the man's shoulders.
B) When the woman's legs are slightly bent.
C) When the woman's legs are straight out,horizontally.
D) When the man's legs are slightly bent.