If the _______ channels are efficient and the intermedia are pro

If the _______ channels are efficient and the intermedia are properly selected, they will provide _______ service and help the exporter a great deal rather than take a fat profit away for _______.
A、marketing, efficient, nothing
B、business, sufficient, everything
C、transaction. insufficient, something
D、dealing, inefficient, anything
【正确答案】：A
【题目解析】：A;营销，高效，B:生意，充足，C:事务。 不足,  D;交易，低效，
句意：如果营销渠道是有效的，中介的选择是正确的，他们将提供有效的服务和帮助出口商，而不是拿走了丰厚的利润。