All finished, we sat down to enjoy ______ we thought the most delicious dinner.　　 A. that　 B. which　 C. what　 D. it

All finished, we sat down to enjoy ________ we thought the most delicious dinner.

[　　]

All finished, we sat down to enjoy ________ we thought the most delicious dinner.

[　　]

All _________, we sat down to enjoy _______ we thought the most delicious dinner.

A．finished, what                                           B．finishing, that

C．finish, what                                                D．finished, that

.

All finished, we sat down to enjoy _________ we thought was the most delicious dinner.