20.______ that caused him to serve dinner an hour later than usual.

A. It was we being late             B. It was our being late

C. It was we were too late        　D. It was because we were late

______ that caused him to serve dinner an hour later than usual.

1. A.
   It was we being late
2. B.
   It was our being late
3. C.
   It was we were too late
4. D.
   It was because we were late

____ that caused him to serve dinner an hour later than usual.

A. It was we being late                                                  B. It was our being late

C. It was we were too late                                            D. It was because we were late

____ that caused him to serve dinner an hour later than usual.

     A. It was we being late                  B. It was our being late

     C. It was we were too late              D. It was because we were late

____ that caused him to serve dinner an hour later than usual.

    A. It was we being late                 B. It was our being late

    C. It was we were too late              D. It was because we were late