26.—Were the audience allowed to join in the play?

 —Yes, the actors_______to satisfy the audience were successful.

A. who it was the duty              B. of which the duty was

C. whose duty it was                    D. whose was the duty

—Were the audience allowed to join in the play?

 —Yes, the actors ______to satisfy the audience were successful.

A. who it was the duty　　 B. of which the duty was

C. whose duty it was　　　 D. whose was the duty

26.—Were the audience allowed to join in the play?
—Yes, the actors_______to satisfy the audience were successful.