The Browns have six children altogether. It is obvious that ________ little money the present job brings Mr. Brown can hardly support so large ________family like that.

A．/; the

B．a; the

C．a; /

D．the; a

下述哪项不符合限制型心肌病光镜下的改变

A．心内膜下心肌常见萎缩和变性改变

B．可发生钙化

C．可发生玻璃样变性

D．罕见附壁血栓形成