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[求助]大全978题

1. Tektites, which may have been propelled to Earth from lunar volcanoes, are much like the volcanic glass obsidian, but their chemical composition is different than any terrestrial lava; they contain far less water than obsidian does and none of its characteristic microcrystals.

(A) is different than any terrestrial lava; they contain

(B) is different than any terrestrial lava’s, containing

(C) is different from that of any terrestrial lava; they contain

(D) differs from any terrestrial lava in containingC

(E) differs from that of any terrestrial lava’s, containing

E是不是错在that of any terrestrial lava’s中的's?

如果改成that of any terrestrial lava,对吗?这时候后面这个containning的逻辑主语是Tektites,还是terrestrial lava?

另外,C中的they应该优先指代前面句子的主语,是吗?那就是Tektites,可是意思上不是的,那算明确吗?

谢谢!

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