单选题 The telegraph opened up the possibility of establishing almost ______ communication and thereby offered many practical advantages to people in all walks of life.
A. distant B. instantaneous C. immediate D. prompt

【正确答案】 B
【答案解析】[解析] instantaneous“即刻的”，与instant近义；distant“遥远的”；immediate“直接的”；prompt“敏捷的，迅速的”。按句意应选instantaneous，指电报通讯速度快。