Intheireffortstopersuadeustobuythatproduct,shopkeepers...

問題詳情：

 In their efforts to persuade us to buy that product, shopkeepers have made a close study of human nature and have　　　all our little weaknesses.

A. divided                              B. arranged

C. classified                           D. separated

【回答】

C

知識點：動詞

題型：選擇題