单选题 As gas is getting more and more expensive, many people are ______ public transportation.

[A] looking for
[B] setting up
[C] turning to
[D] changing into

【正确答案】 C

【答案解析】[解析] 考查短语动词辨义。四个选项都属于短语动词这种形式的固定搭配：look for指“寻找”，set up指“建立”，turn to指“求助于，转向”，change into指“(使)变成，换(衣服)”。结合常识不难看出，句意指“很多人都转而乘坐公共交通工具”，因此本题答案为[C]。