单选题 Twelve is to three ______ four is to one.
  • A. what
  • B. as
  • C. that
  • D. like
【正确答案】 B
【答案解析】[解析] A is to B as C is to D(A, B, C, D均为数字)是固定结构，表示比例上的相等。所以，答案为B。