The articles _____in today's newspaper are very important.A:appeared B:appearing C:appears

问题描述:

The articles _____in today's newspaper are very important.A:appeared B:appearing C:appears
该选择哪一个答案.请说得详细些.

A,写全了应该是:the articles which is appeared in today's newspaper are very important.
但是因为是定语从句,如果引导词作从句的主语,而且谓语动词还是系动词,则可以省略,变为后置定语的结构.