如图所示，开关S₁、S₂闭合时电流表的示数为0.20 A，若通过灯L₁的电流为I₁，通过灯L₂的电流为I₁．则下列说法中正确的是   

A．I₁=I₂=0.20 A

B．I₁=I₂=0.40 A

C．I₁=0.20 A，I₂=0

D．I₁=0，I₂=0.20 A  

It was ________ that the PLA men got to the earth-strike area.

A．midnight

B．at midnight

C．until

D．for midnight