求助一道GRE填空题

求助一道GRE填空题
Unlike the problems in recent financial scandals, issues raised by the regulators in
this case appear largely to pertain to unwieldy accounting rules that are open to
widely divergent interpretations - not to (i) ____ transactions designed to (ii) ____
corporate malfeasance.
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Blank (i)
(A) sham
(B) unpremeditated
(C) justifiable
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Blank (ii)
(D) cloak
(E) ameliorate
(F) illuminate
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答案选AD 求大神解释!
翻译一下最好~！