B,E---eliminated B---what is wrong E---with it instead coming---it refers what? and it's awkward and unidiomatic. C,D---eliminated C---something earlier in the year-modifier is in the wrong place to avoid distorts the original meaning, to avoid is not the purpose, to avoid is the result. D---were indicates this thing was still going on, but instead indicates it changed to another result. to avoid distorts the original meaning, to avoid is not the purpose, to avoid is the result. A---right---parallel---reflect the confidence that + a clause economy will avoid...and instead come in... even though the had feard looks not perfect, but still superior to other choices.
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