— Hey! Everyone in the office was at the dinner party in honor of Mr. Charles except you. What happened?

— I ______ after Mike, my colleague. He was badly ill.

A．have looked

B．was looking

C．would look

D．had looked

金融机构在按照国务院反洗钱行政主管部门的要求采取临时冻结措施后（）小时内，未接到侦查机关继续冻结通知的，应当立即解除冻结。