The activities organized by our school really gave us a platform ____ we learned team spirit.

A．that

B．where

C．which

D．when

甲公司拟发行5年期债券进行筹资，债券票面金额为1 000元，票面利率为8%，每年年末付息一次，若市场利率为10%，那么该公司债券发行价格应为( )元。(PV_10%，5= 0.6209，PVA_10%，5=3.7908)

A．924.164

B．3 840.472

C．670.572

D．4 094.064