【題組】63. What is one important finding of Barnett’s experiment on bag-matching andflight schedules?
(A) Bag-matching on domestic flights resulted in seven-minute delays in onlyone-seventh of the flights.
(B) Bag-matching forced airlines to reduce their schedules and to sacrifice thequality of their service.
(C) Bag-matching, when tested on 11 airlines, proved to be ineffective andinconvenient for passengers.
(D) Bag-matching caused domestic flights to change their schedules and toreduce their frequency of service.