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 have
C. not to
D. to not have one
网友回答
A. not to do
B. not to have
(答案→)C. not to
D. to not have one
解析：C 考察不定式的省略结构。通常不定式中的to要保留，其后的不定式短语可以省略，或者使用不定式do so来替换。故C正确。