He has so _____ money that he can't afford the book.      [ ]

A. a few

B. few

C. a little

D. little

毕奥呼吸常见于（）

A.急性喉炎

B.呼吸中枢功能障碍

C.情绪激动

D.右心功能不全

E.左心功能不全