39 價目表(price list)的性質為何？
(A)要約之引誘(invitation to offer)
(B)要約(offer)
(C)反要約(counter offer)
(D)有條件的要約(conditional offer)

答案：登入後查看
統計： A(123), B(9), C(2), D(3), E(0) #2897441