The Olympic Games helped to keep peace among the pugnacious states of the Greek world in that a sacred truce was proclaimed during the festival's month. (A) world in that a sacred truce was proclaimed during the festival's month (B) world, proclaiming a sacred truce during the festival's month (C) world when they proclaimed a sacred truce for the festival month (D) world, for a sacred truce was proclaimed during the month of the festival (E) world by proclamation of a sacred truce that was for the month of the festival 答案是D,为什么用for呢?自己做这题不知道怎么分析。望各位给以指点。谢谢 |