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 so OG12

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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.

Ato lead to 55 percent more delays at airports, and prompts 分析该选项
Bleading to 55 percent more delay at airports and prompting 分析该选项
Cto lead to a 55 percent increase in delay at airports and prompt 分析该选项
Dto lead to an increase of 55 percent in delays at airports, and prompted 分析该选项
Eleading to a 55 percent increase in delays at airports and prompting 分析该选项

正确答案: E

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