题目内容：

（1）There were six people at the table and they askeb the waiter for____and____.A:two cups of tea ,four coffee,B:two teas,four coffee C:two teas,four coffees D:two cup of tea,four cup of coffee （2）A woman with her husband,both looking very anxious,____angrily____the rude guard to let them through.这两题的正确答案是都是c,请问为什么选c,请说明原因
补充第二题的选项A:/,asks B:was,asked C:was,asking D:were asking