Refer to the Figure Showing the Human Male Reproductive System

Refer to the figure showing the human male reproductive system. Based on the figure, which statement is true?

A) The structure at point 7 is cut in a vasectomy.
B) The structure at point 11 is the ejaculatory duct.
C) The structure at point 7 joins the bladder.
D) The structure at point 5 contributes an acidic fluid that makes up about 30 percent of the volume of semen.
E) The structure at point 6 is the seminal vesicle, which contributes fructose to the semen.