A.人脈積累和市場(chǎng)營(yíng)銷 B.溝通表達(dá)和財(cái)務(wù)清算 C.市場(chǎng)調(diào)查和人脈經(jīng)營(yíng) D.市場(chǎng)營(yíng)銷和市場(chǎng)調(diào)查