She can'thelp the house because she's busy making a cake.A. to clean B. cleaning C. cleane

问题补充：

She can help the house because shes busy making a cake.

A. to clean

B. cleaning

C. cleaned

D. being cleaned

答案：

(答案→)A. to clean

B. cleaning

C. cleaned

D. being cleaned

解析：考查短语can help的用法。Can help do /to do sth 意为不能帮助干某事，can help doing sth 意为禁不住干某事本句意为她不能帮助打扫房子，因为她在忙着做蛋糕。