The computer works very fast,__ data at the speed of light.

问题描述:

The computer works very fast,__ data at the speed of light.
A) having handled
C) handled
B) handing
D) hands
请给出答案并说明为什么.

答案是handling在作动词填空的时候1.先看是否是谓语动词,你看这句前面没有连词所以它肯定不是句子(因为两个简单句之间一定要有连词),不是句子就是非谓语2.如果确定是非谓语,那么一般就是看与主语之间的关系是主动...