将质量分数为5%和15%的氨水分别进行等体积混合和等质量混合，所得溶液中溶质的质量分数分别为a和b；将质量分数为5％和15％的硫酸分别等体积和等质量混合，所得溶液中溶质的质量分数分别为d和e，则a、b、d、e的大小关系正确的是  [ ]

A.d＞b＝e＞a

B.a＞b＝e＞d

C.d＞b＞e＞a

D.a＞e＞b＞d

—What about the package of food?

—You’d better ________ it at the service counter before entering the bookstore.

A．allocate

B．purchase

C．expose

D．deposit