113. Since the deregulation of airlines, delays at the nation’s increasingly busy airports have increased by 25

percent. To combat this problem, more of the takeoff and landing slots at the busiest airports must be allocated

to commercial airlines.

Which of the following, if true, casts the most doubt on the effectiveness of the solution proposed above?

(A) The major causes of delays at the nation’s busiest airports are bad weather and overtaxed air traffic control

equipment.

(C) Over 60 percent of the takeoff and landing slots at the nation’s busiest airports are reserved for commercial airlines.

伙伴们 早上好 ^^

关于这一题 , 正确选项A是无庸置疑滴

我的提问是

→请问C选项 也是weaken吗 ?