Surveys show that the majority of passengers are pleased that an agreement has been reached to forbi

题目

Surveys show that the majority of passengers are pleased that an agreement has been reached to forbid smoking on ____flights winthin the continental United States.
A.economical B.commercial C.global D.internal
请翻译并选择,还讲讲为什么.

答案

B commercial flight调查显示对于美国境内商务航班禁止吸烟的协议达成,大部分乘客都很高兴.A若理解为想表示经济航班应为economy class eonomical flight说法不成立C 中global flight跟后面winthin the continental U...