—You've agreed to go. So aren't you getting ready?

—But I ________ that you would have me start at once,

—You've agreed to go. So aren't you getting ready?

—But I ________ that you would have me start at once,

[　　]

—You've agreed to go. So aren’t you getting ready?

—But I　　　　　　   that you would have me start at once.

A. didn’t realize   　　　　　　　　　　　　　　　　　　　　   B. don’t realize

C. haven’t realized　　　　　　　　　　　　　　　　　　　　        D. hadn’t realized

—But I　　　　　　   that you would have me start at once.

A. didn’t realize   　　　　　　　　　　　　　　　　　　　　   B. don’t realize

C. haven’t realized　　　　　　　　　　　　　　　　　　　　        D. hadn’t realized