The birth planning policy allows my parents to have a second child because of my

The birth planning policy allows my  parents to have a second child because of my disability, but to look after me, they chose          .

A. not to do   B. not to      C. not to have   D. to not have one

试题答案

B

解析:

此句考查不定式短语的省略结构，通常情况下不定式中的“to”要保留，其后的不定式短语省略，或者不定式短语用do so 替换，故选项B是正确的。