No one appreciated his work during his lifetime, but ______ it is clear that he was a great artist.

A．in the aftermath

B．by the time

C．in retrospect

D．in this eventuality

关于室间隔膜部的描述，不正确的是（）

A.位于心房与心室交界部位

B.分为房室部和室间部

C.后上部位于右心房与左心室之间，称房室部

D.前下部位于左、右心室之间，称室间部

E.室间隔缺损很少发生于膜部