【GMAT考满分语法SC题库】The Cygnus spacecraft was grou_真题_答案

题目内容

The Cygnus spacecraft was grounded last week ahead of its launch date due to massive coronal ejections from the Sun, which raised radioactivity to such levels so that their avionics systems might malfunction and the navigability of the ship might be compromised.

A
due to massive coronal ejections from the Sun, which raised radioactivity to such levels so that their avionics systems might malfunction
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B
due to massive coronal ejections from the Sun, thereby raising radioactivity to such levels that their avionics systems might malfunction
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C
because of massive coronal ejections from the Sun, which had raised the radioactivity to levels such that its avionics systems would malfunction
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D
because of massive coronal ejections from the Sun raising the radioactivity to levels so high as to lead its avionics systems to malfunction
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E
because massive coronal ejections from the Sun had raised the radioactivity to such levels that its avionics systems might malfunction
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正确答案: E

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