—Do you mean that we have lost our way?

—_____, my dear. We’d better ask someone for help.

A．Exactly

B．Entirely

C．No problem

D．All right

动脉粥样硬化病变主要发生在

A．细动脉内膜

B．小动脉内膜

C．微动脉内膜

D．大中型动脉内膜