【题目】When he tried to make a ________，he found that the hotel that he wanted was completely filled because of a convention.
A. complaint B. claim
C. reservation D. decision
在线课程【答案】C
【解析】考查名词。A. complaint 抱怨； B. claim要求；C. reservation预订； D. decision决定。句意：当他试图预订房间时，发现那个旅店因为有一个会议已经客满了。reservation预订，与题意吻合。故选C。