补充159

159.
    In 1978 a national study found that not only had many contractors licensed by a self-policing private guild failed to pass qualifying exams, they in addition falsified their references.

(A) they in addition falsified their references

(B) they had their references falsified in addition

(C) but they had also falsified their references

(D) they had also falsified their references

(E) but their references were falsified as well

答案是C

not only...but sb. also 可以这样用么?

谢谢

She is not only good at mathematics, but she is interested in English as well.

dict.cn上的例句，E为什么不对？还是因为被动不如主动？

请教~~