I'm not a little tired today after giving the room a thorough cleaning and I have never had ____ today.[ ]

A. as tiring a day as

B. as a tiring day

C. tiring as a day as

D. day as a tiring as

寄件人申请撤回的国内特快专递邮件尚未投递时，应在特快专递邮件上加贴“改退批条”，批明“寄件人申请撤回”字样。