It takes _____ an hour _____ to work.[ ]

A. he; go  

B. his; to go  

C. him; going  

D. him; to go

治疗痢疾，取何经穴位为主( )

A．手足阳明、太阴

B．手足阳明、任脉

C．手足阳明、足太阴

D．足阳明、足太阴

E．手足阳明、督脉