--Your classroom is very clean.Yes it every day. A. is cleaned B. cleans C. i

问题补充：

----- Your classroom is very clean.

----- Yes, it every day.

A. is cleaned B. cleans C. is cleaning

答案：

解析：A 考查被动语态。教室被打扫，教室作主语，要用被动语态，即be+过去分词。