49. In which of the position marked [1], [2], [3], and [4] does the following sentence best belong? "Companies will even ship free samples to the more popular channels."
(A)[1]
(B) [2]
(C) [3]
(D) [4]

答案：登入後查看
統計： A(1), B(2), C(4), D(1), E(0) #2852385