-What’s your plan for the summer holidays?-I’ve no idea but I’ ve decided at home and ha

问题补充：

-What’s your plan for the summer holidays?

-I’ve no idea, but I’ ve decided at home and have a good rest first.

A. to stay

B. stay

C. stayed

D. staying

答案：

(答案→)A. to stay

B. stay

C. stayed

D. staying

解析：句意:你的暑假计划是什么？——我不知道，但是我已经决定呆在家，先好好休息一下。Decide后面一般接带to的动词不定式做宾语，表示具体的将要进行的动作。故选A。