倾向淋巴瘤属于（）

A.完全肯定性诊断

B.不完全肯定性诊断

C.描述性诊断

D.阴性诊断

E.否定诊断

It was          back home after the experiment.

A．not until midnight did he go

B．until midnight that he didn’t go

C．not until midnight that he went

D．until midnight when he didn’t go