The science of computer rapid progress has been made is the most important of all.A. to

问题补充：

The science of computer, rapid progress has been made, is the most important of all.

A. to which

B. from which

C. in which

D. of which

答案：

A. to which

B. from which

(答案→)C. in which

D. of which

解析：考查定语从句。介词In表示在…方面。Which指代先行词the science of computer,在句中做in的宾语。