问题
The computer was used in teaching. As a result，not only _____，but students becamemore interested in the lessons.
A:saved wasteachers’ energy
B:was teachers’ energy saved
C:teachers’ energy was saved
D:was savedteachers’ energy
B:was teachers’ energy saved
C:teachers’ energy was saved
D:was savedteachers’ energy
正确答案是：
