—Have the exam results arrived yet?

—No. They were due to have arrived at the school today but apparently the exam board      them yet.

A．didn’t post

B．hasn’t posted

C．doesn’t post

D． hadn’t posted

《出境货物通关单》以验讫日期作为签发日期，用于结汇的检验证书以信用证中要求的日期作为签发日期。