我是一个自考生，现在有两道练习题不明白，请各位帮忙解一下，麻烦大家了 1.___we would like to co-operate with you,we do not think there is room for a redution in our price. A.Even B.As C.Much D.Much as 我选了A，可正确答案是D，求详解 2.___ is a very favorable payment term for the exporter. A.Cash with order B.Cash on delivery C.Cash against documents D.Payment in advance 我选了D，可答案是A, 麻烦会的朋友帮忙解一下，拜托了