A.訪談法比較耗費(fèi)精力B.訪談法對(duì)訪問(wèn)者有更高的要求C.訪談法的受訪對(duì)象數(shù)量有局限性D.訪談?wù)勗捿p松隨意
A.50%B.60%C.70%D.80%
A.卷首語(yǔ)B.標(biāo)題C.問(wèn)題與答案D.附錄