Which Is a Primary Reason That Females Are at Greater

Which is a primary reason that females are at greater risk of a urinary tract infection than are males?

A) The urethra is shorter in women,therefore bacteria are closer in proximity to the bladder.
B) The urethra is longer in women,therefore more bacteria can colonize the pathway to the bladder.
C) The pH of women is lower due to a greater abundance of lactobacilli which can overcolonize the urethra and migrate to the bladder.
D) Hormonal shifts in women can lead to overgrowth of genitourinary bacteria that eventually colonize the bladder.