单选题 Some states have an income tax______ the federal government.
  • A. similar to that
  • B. similar to
  • C. similar with that
  • D. similar to that of
【正确答案】 D
【答案解析】similar to…意为“和…相似，相近”，另外，根据对称法，就是similar to前后相比的成份要一致，由此可判断D项正确。