One day at four o’clock, Peter left work and got on(上车) the bus to
go home. He sat down the bus driver.
- A.before
- B.in front of
- C.behind
- D.across from
答案
正确答案:C
知识点:介词

before“在……之前”,in front of“在……前面”,behind“在……后面”,across from“在……对面”。根据语境,Peter上车后只有可能坐在司机的后面,所以正确答案为C。

略
