Any help from you will be greatly appreciated. Please give me a reply at your earliest .
A. interruption
B. instruction
C. consideration
D. convenience
网友回答
A. interruption
B. instruction
C. consideration
(答案→)D. convenience
解析：考查名词：A．interruption打断B．instruction指示C．consideration考虑， D．convenience便利，句意：我会感激你的帮助，请在方便的时候给我回复。选D。