新东方网络课堂　练习，请指教

  第３课，第３０题

What was as remarkable as the development of the compact disc has been the use of the new technology to revitalize , in better sound than was ever before possible, some of the classice recorded performances of the pre-LP era.

A. What was as remarkable as the development of the compact disc

B. The thing that was as remarkable as the development of the compact disc

C.No less remarkable than the development of the compact disc

D. Developing the compact disc has been none  the less remarkable than

E. Development of the compact disc has been no less remarkable as

新东方解释：

A.  What was as remarkable as... 与后面的　in better sound 　逻辑上矛盾?????????what's means??
 

B. The thing that = What ,同上错误

C. right choice

D."None the less " is not exist

E.no less as -> no less than

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