. You must be there within an hour. There should be no in sending the information.
A. question
B. hesitation
C. delay
D. problem
网友回答
A. question
B. hesitation
(答案→)C. delay
D. problem
解析：考查名词：A. question问题B. hesitation犹豫C. delay拖延，推迟D. problem问题，句意：一小时内你必须到那里，送消息来不及半点拖延。选C。