A.0.3% B.7.1% C.6.7% D.94.4%
A.16.67% B.20.00% C.22.56% D.25.00%
A.探測性市場調(diào)查 B.描述性市場調(diào)查 C.預(yù)測性市場調(diào)查 D.因果性市場調(diào)查