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