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.The recent surge in the number of airplane flights has clogged the nation’s air-traffic control system, to lead to 55 percent more delays at airports, and prompts fears among some officials that safety is being compromised. (A) to lead to 55 percent more delays at airports, and prompts (B) leading to 55 percent more delay at airports and prompting (C) to lead to a 55 percent increase in delay at airports and prompt (D) to lead to an increase of 55 percent in delays at airports, and prompted(E) (E) leading to a 55-percent increase in delays at airports and prompting 为啥D不行?两个逗号之间的肯定应该是插入语吧,那直接去掉,我如果选D也没错呀?因为 prompted与 clogged平行。。。。可答案那为啥不对呢 |
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