His excitement was_________ and he calmed down.

His excitement was_________ and he calmed down.
A、temporary
B、amateur
C、shortage
D、rambling
【正确答案】：A
【题目解析】：temporary暂时的；amateur业余的；shortage缺乏，缺少；rambling漫步的，闲聊的，蔓生的
句意：他的激动是一时的，他平静下来了。