He is so careless that he often         his school things at home.

A．puts

B．forgets

C．takes

D．leaves

结核性胸膜炎胸水检查有诊断价值的是 （）

A.CEA升高

B.胸水中多核细胞增加

C.胸水蛋白增加

D.胸水ADA增加

E.间皮细胞增加