Which one is wrong about the vagina?
选项：

A:The upper end surrounds the lower part of neck of uterus.;
B:The anterior wall is longer than the posterior one.;
C:The posterior fornix of vagina is near the rectouterine pouch.;
D:The anterior wall contacts with urinary bladder and urethra.;
E:The posterior wall contacts with the anterior wall of rectum.