---I’m sorry I broke your teapot but I didn’t mean . --- Forget it.A. to doB. doingC. toD

问题补充：

---I’m sorry I broke your teapot, but I didn’t mean .

--- Forget it.

A. to do

B. doing

C. to

D. doing so

答案：

A. to do

B. doing

(答案→)C. to

D. doing so

解析：情景交际。句意：很抱歉打碎了你的茶壶，但是我不是有意的。——算了吧。I didn’t mean to我不是有意的.to是不定式符号，如果内容与前面重复，后面一般省略动词，选A缺少动词宾语，故选C。