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 _______.

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

正确答案是A