-Now that you like the personal computer very much, isn't it a good idea to get one?

-Well, I'd like to but I can't afford _____ computer at present.

A．that expensive a

B．a such cheap

C．that an expensive

D．so cheap

患者发热微恶寒，头痛，咳嗽，咽喉肿痛，大便溏泻，小便清长，其临床意义是（）

A.上热下寒

B.真热假寒

C.表热里寒

D.表实里虚

E.真寒假热