----- I called you this time yesterday, but there was no answer.
----- Oh, I’m sorry. I ______ dinner at my friends’ home.
A. have B. had C. was having D. have had
----- I called you this time yesterday, but there was no answer.
----- Oh, I’m sorry. I ______ dinner at my friends’ home.
A. have B. had C. was having D. have had
C