对急性化脓性骨髓炎具有诊断意义的检查是（）

A.X线检查

B.CT检查

C.血常规检查

D.关节穿刺检查

E.局部分层穿刺检查

—We didn’t find the Blacks___________the lecture.

—No one had told them about___________a lecture the following day.

A．to attend; there to be

B．attending; there being

C．attended; there be

D．attend; there was