The purpose of new technologies is to make life easier, it more difficult.
A. not make
B. not to make
C. not making
D. do not make
网友回答
A. not make
(答案→)B. not to make
C. not making
D. do not make
解析：考查非谓语动词的结构平衡性。not to make it more difficult是与 to make it easier 形成对比的否定结构，两者在句中作表语。