问题
New technology was used in teaching. As aresult, not only ________, but students became moreinterested in 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：
