When we reached the station the train had not arrived yet; so we （） A: need not to hurry B: needn't have hurtled C: didn't need to hurry D: had not needed to hurry

An out-of-control charter bus, carrying a group of mentally-retarded and handicapped people home from a theatre outing, hurtled into a lake near Montreal yesterday, killing 41 of the 48 persons aboard. 划横线部分在句子中所充当的成分、功能 。 A: 原因状语 B: 地点状语 C: 插入语交代背景、方式 D: 时间状语