During the rush hour everyone is doing two men's work，__is impossible without noise

During the rush hour everyone is doing two men's work，__is impossible without noise
and quarrelling．
A．forthat B．that C．which D．it
请详解一下，同时翻译一下

During the Christmas shopping rush in London, 翻译 It is quite obvious _____ has caused the traffic jam during the rush hour recently Rush to the Dead Summer The muddy road___our difficulties during the game. 英文:During the weeks that followed 请问during the nineteen sixties什么意思？ during the last twoyears用于什么时态 during the week I have cereal a rush of blood in the head Put out the light during the night flight.