The boss didn’t accept the reason for her being absent for the meeting_________ she didn’t know there was  a meeting and __________100yuan from her salary this month.

A．why; kept back

B．that; kept back

C．where; keep out

D．because; keep out

RPR的保护方式中，绕回（Wrap）方式比抄近（Steering）方式节省带宽。