求助几道语法题 语法大全上的

小m月饼

1.    Aletter by Mark Twain, written in the same year as The Adventures of Huckleberry Finn were published, reveals that Twain provided financialassistance to one of the first Black students at Yale Law School.
(A)A letter by Mark Twain, written in the same year as The Adventures of Huckleberry Finn were published,
(B)A letter by Mark Twain, written in the same year of publication as The Adventures of Huckleberry Finn,
(C)A letter by Mark Twain, written in the same year that The Adventures of Huckleberry Finn was published,
(D)Mark Twain wrote a letter in the same year as he published The Adventures of Huckleberry Finn that（C）
(E)Mark Twain wrote a letter in the same year of publication as The Adventures of Huckleberry Finn that（C)




1.     Amajority of the international journalists surveyed view nuclear power stationsas unsafe at present but that they will, or could, be made sufficientlysafe in the future.
(A)that they will, or could,

(B)that they would, or could,
(C)they will be or could
(D)think that they will be or could（D）
(E)think the power stations would or could（D)




1.    A recentnational study of the public schools shows that there are now onemicrocomputer for every thirty-two pupils, four times as many than there were fouryears ago.
(A)there are now one microcomputer for every thirty-two pupils, four times as manythan there were

(B)there is now one microcomputer for every thirty-two pupils, four times as manythan there were
(C)there is now one microcomputer for every thirty-two pupils, four times as manyas there were
(D)every thirty-two pupils now have one microcomputer, four times as many thanthere were（C）
(E)every thirty-two pupils now has one microcomputer, four times as many as(C)




1.     After a fewweeks’ experience, apprentice jewelers can usually begin to discriminate,though not with absolute certainty, genuine diamonds from imitation diamonds.
(A)genuine diamonds from imitation diamonds

(B)genuine diamonds apart from imitations
(C)between genuine diamonds and imitation diamonds
(D)among genuine diamonds and imitation diamonds（C）
(E)whether diamonds are imitation or genuine(C)

nemiah

最后那个题，我怎么觉得A也对呢？

小m月饼

语法的大牛们来看看嘛