He spent __________ money on books and _________ his books are about space and satellites.

A．a great deal of; a good many of

B．a good many; a great number of

C．a great number of; a large amount of

D．quantities of; a quantity of

以下不属于支气管扩张的影像学征象为

A．轨道征

B．印戒征

C．支气管气象

D．指状征

E．扩张支气管呈串珠状