单选题 Plato believed (that) if we (rely on) our senses, we would not be able (to acquire) true knowledge of (the universe).
  • A. that
  • B. rely on
  • C. to acquire
  • D. the universe


【正确答案】 B
【答案解析】将rely on改为relied on。that引导的宾语从句内包含了一个复合句,在这个复合句中,主句用的是过去将来时,从句中应该用对应的过去时态与之相对。