单选题 Our head office is conveniently situated ______ walking distance of the bus stop.
  • A. nearby
  • B. within
  • C. in front of
  • D. across
【正确答案】 B
【答案解析】[解析] 词汇：介词 1．这是一道词汇题，选项均为介词。 2．within walking distance of是常考固定搭配，意为“在步行距离范围内的”，因此B．within为正确选项。