题目:
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
选项:
A、to lead to 55 percent more delays at airports, and promptsleading to 55 percent more delay at airports and prompting
B、to lead to a 55 percent increase in delay at airports and prompt
C、to lead to an increase of 55 percent in delays at airports, and prompted
D、leading to a 55 percent increase in delays at airports and prompting
答案:
E