As the family did not make a(n) ahead of time, they had to wait at the restaurant in order to get a table.
A. approval
B. reservation
C. arrangement
D. enquiry
网友回答
A. approval
(答案→)B. reservation
C. arrangement
D. enquiry
解析：句意，因为这家人没有提前预定，为了得到一个桌子，他们不得不在饭馆等。Approval同意reservation预定arrangement安排enquiry调查，根据题意，故选B。