单选题 The chairman ______ all the suggestions put forward into a single plan of action when the tragedy took place.
  • [A] just have condensed
  • [B] just condensed
  • [C] had just condensed
  • [D] were to condense


【正确答案】 C
【答案解析】时态题。根据时间状语可知主句一定是过去时态，而根据句意，从句动作发生在主句动作之后，所以主句动词用过去完成时，表示“刚刚/正在这时”。