Question

during which phase of the female sexual response does the vagina expand and lengthen and the clitoris retract under its hood?
arousal
orgasm
plateau
resolution

Explanation:

In the plateau phase of the female sexual response, the upper part of the vagina expands and lengthens, and the clitoris retracts under its hood as a result of engorgement and physiological changes in the pelvic area.

Answer:

C. plateau