Question

—Many people talk about “Didi”. My father wonders ________.

—To order a taxi on your mobile phone as soon as possible.

A.who uses it most B.where people use it C.what it is used for

Answer

C

【解析】

句意：——很多人谈论“滴滴”。我父亲想知道它是用来干什么的。——用来快速的在手机上约出租车的。

考查宾语从句。who uses it most谁用得最多；where people use it人们在哪里用它；what it is used for它被用来做什么；根据句意理解及后句的回答To order a taxi on your mobile phone as soon as possible.可知，这里表达的是“用来做什么”，故选C。