The news ________ when we ________ TV．
A.was arriving; were watchingB.has arrived; watchedC.arrived; were watchingD.arrived; watched在线课程C
解析：
消息“到达”是瞬间动作，“看电视”是持续性动作，瞬间动词不用进行时态，排除了A项。B项时态搭配不正确。根据语境可知，时间状语从句中表示正在进行的动作，故选C项。