I want buy a micro usb type b connector at lunchtime. They ____have arrived at lunch time but their flight was delayed.c和d选项有什么区别，为什么c不对should have done/ought to have done（本应该做的事情没做。说话人语. There's actually quite a bit of variation in different regions of the us.
(QVC) 2021 Lunchtime Specials
