As she walked along a         , a door suddenly burst open, as though forced by someone behind it.

A．note

B．adventure

C．passage

D．appearance

正气的强弱主要有关因素是（）

A.与气候变化有关

B.与工作环境有关

C.与精神状态有关

D.与居住的地域条件有关

E.与情志变化有关