問題詳情
【題組】65. Which of the following can help managers get useful information?
(A). Visiting customers themselves.
(B). Giving customers free food on the street.
(C). Visiting parks as ordinary customers.
(D). Asking customers questions at supermarkets.
參考答案
答案：D
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)