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Tropical bats play important roles in the rain forest
ecosystem, aiding in the dispersal of cashew, date,
and fig seeds; pollinating banana, breadfruit, and
mango trees; and indirectly help produce tequila by
pollinating agave plants.
(A) pollinating banana, breadfruit, and mango trees
and indirectly help produce
(B) pollinating banana, breadfruit, and mango trees
and indirectly helping to produce
(C) pollinating banana, breadfruit, and mango trees
and they indirectly help to produce
(D) they pollinate banana, breadfruit, and mango
trees; and indirectly help producing
(E) they pollinate banana, breadfruit, and mangotrees; indirectly helping the producing of
答案是B 我想说OG 解释E说 虽然平行并列但是helping the producing错误 但是我觉得他也没有并列啊。。。搞不懂求解释
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