— Jack, when shall we go to visit Mr. Smith?
— It’s up to him. We’ll go to see him whenever ________.
A. he is convenient B. he will be convenient
C. it will be convenient to him D. it is convenient to him
— Jack, when shall we go to visit Mr. Smith?
— It’s up to him. We’ll go to see him whenever ________.
A. he is convenient B. he will be convenient
C. it will be convenient to him D. it is convenient to him
D