—You should have thanked the hostess before leaving.

     —I meant ______. But I couldn’t find her when I was leaving.

A. to        B. to do     C. doing     D. doing so

—You should have thanked the hostess before leaving. 

—I meant ______. But I couldn’t find her when I was leaving.

1. A.
   to
2. B.
   to do
3. C.
   doing
4. D.
   doing so

--- You should have thanked the hostess before leaving.

--- I meant       . But I couldn’t find her when I was leaving.

A．to do                          B．to                       C．doing                  D．doing so

—You should have thanked the hostess before leaving.
—I meant ______. But I couldn’t find her when I was leaving.