患者，男，28岁。剧烈咳嗽后，憋气胸痛进行性加重1小时来诊，既往体健。查体：右肺叩清音呼吸音减弱

应立即进行的检查是（）

A.心电图

B.肺功能检查

C.胸部X线片

D.冠脉及肺动脉造影

E.肺通气灌注扫描

We did hold a meeting yesterday, but you （）, so we did not inform you.

A．did not need attending

B．needn't have attended

C．did not need to attend

D．needn't attend