第二部分:英语知识运用 第一节:单项填空(共15小题;每小题1分,满分15分) 从A、B、C、D四个选项中,选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑. ---Have we _______ food? ---yes, _______.We’d better buy some. A. run out of; we have run it out B. run out of; our food has run out C. run out of; out food has been run out D. run out; our food has run out