— How can I get to the cinema?

— You can ask the policeman over there. He will tell you which bus ______. [ ]

A. should you take

B. you should take

C. you took

D. did you take

耳穴针刺行强刺激时，刺入的深度是

A．刺入皮下
B．刺穿对侧皮肤
C．刺入皮肤，达软骨后毫针站立不摇动
D．刺入皮肤，穿通软骨