A.I cleaned my room and washed the clothes.

B.I want to see a film with my friends.

C.It was well.

【答案】A

【解析】

句意：—上周你做了什么？—我打扫房间，洗衣服了。根据问句可知句子是一般过去时，排除B；问句主语是you，答语主语应该是I，排除C。故选A。