When catching an airplane, you’d better be earlier, and therefore you can avoid

游客2025-03-25  5

问题 When catching an airplane, you’d better be earlier, and therefore you can avoid the frustration of arriving at the very moment when the plane is taking off and______unable to get on it.

选项 A、be
B、are
C、being
D、were

答案 C

解析 being unable to get on in 与arriving at the very moment…并列,作介词of的宾语。
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