-_________does it take to go there by bike?  

-About twenty minutes.   [ ]

A. How old        

B. How many    

C. How far          

D. How long

外阴局部受伤易形成血肿的部位是

A．阴阜
B．小阴唇
C．大阴唇
D．阴蒂
E． * * 前庭