— Now that you like the computer so much why not buy one?— Well I can’t afford computer

问题补充：

— Now that you like the computer so much, why not buy one?

— Well, I can’t afford computer at present.

A. that expensive a

B. a such cheap

C. a so cheap

D. that an expensive

答案：

(答案→)A. that expensive a

B. a such cheap

C. a so cheap

D. that an expensive

解析： 考察副词用法。本句中的that是一个副词，相当于so ,such. That expensive a computer= such an expensive computer。如此昂贵的电脑。句意：既然你很喜欢电脑，为什么不买一台呢？—我现在可买不起如此昂贵的电脑啊！故A正确。