The receptionist at the front desk looked busy; after he stopped to give us directions to the waiting area, he doing what he was previously busy with right away.
Amaintained
Bpreserved
Cresumed正確答案
Dwithdrew
答案與詳解
resume = 中斷後「重新開始、繼續」,完美對應前句 stopped to give directions,結束指路後馬上 resume 原本忙的事。
