请问大全SECTION 6 中8,12,16,17

欧阳可情

8.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 classic 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 developing 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

这道题目正确答案是C，我选了A，A为什么不对呢？到底是平级还是比较级？我怎么看不出来呢？

12。A report by the American Academy for the Advancement of Science has concluded that much of the currently uncontrolled dioxins to which North Americans are exposed comes from the incineration of wastes.
(A) much of the currently uncontrolled dioxins to which North Americans are exposed comes
(B) much of the currently uncontrolled dioxins that North Americans are exposed to come
(C) much of the dioxins that are currently uncontrolled and that North Americans are exposed to comes
(D) many of the dioxins that are currently uncontrolled and North Americans are exposed to come
(E) many of the currently uncontrolled dioxins to which North Americans are exposed come
这道题目正确答案是E，我选了B，dioxins是可数名词吗？还有E中用的dioxins to which ，B中用的dioxins that 有什么区别啊？

16Scientists have observed large concentrations of heavy-metal deposits in the upper twenty centimeters of Baltic Sea sediments, which are consistent with the growth of industrial activity there.
(A) Baltic Sea sediments, which are consistent with the growth of industrial activity there
(B) Baltic Sea sediments, where the growth of industrial activity is consistent with these findings
(C) Baltic Sea sediments, findings consistent with its growth of industrial activity
(D) sediments from the Baltic Sea, findings consistent with the growth of industrial activity in the area
(E) sediments from the Baltic Sea, consistent with the growth of industrial activity there

这道题目正确答案是D，我选了B，B为什么不行啊？我觉得D中的sediments from the Baltic Sea还啰唆呢。

17。For members of the seventeenth-century Ashanti nation in Africa, animal-hide shields with wooden frames were essential items of military equipment, a method to protect warriors against enemy arrows and spears.
(A) a method to protect
(B) as a method protecting
(C) protecting
(D) as a protection of
(E) to protec
这道题目正确答案是C，可不可以讲一下method的固定用法,我只记得可以跟to.

问题太多了，做一个ＳＥＣＴＩＯＮ还要错四个，着急啊，请各位大侠帮忙：）感谢！

xiaoyue45084508

可情：
你所有的问题都是OG上的原题。我想再好好看看OG的解释会比任何人解释得更清楚。