单选题 My own worm factory is made from a plastic dustbin and it works well, but I welcome the advent of a new, custom-made job ______ I think is a pretty reasonable price.
  • A. at which
  • B. with what
  • C. at what
  • D. with which


【正确答案】 C
【答案解析】该题中at what是一个介词加关系代词的组合，what意思是“所……”，题中意思是“我所认为的相当合理的价格”，表示“以……价格”的意思时我们通常用介词at。