Figure 50-2 Use the Figure to Answer the Corresponding Question(s)

Figure 50-2
Use the figure to answer the corresponding question(s) .
-Refer to Figure 50-2.The function of the structure labeled 3 is:

A) to secrete an alkaline fluid that neutralizes the acids of the vagina.
B) to produce a nutritive fluid for the sperm.
C) to provide a place for maturation and storage of sperm.
D) to secrete mucus that lubricates the penis.
E) None of these.