The purpose of new technology is to make life easier, ________ it more difficult．
The purpose of new technology is to make life easier, ________ it more difficult．
A.not make
B.not to make
C.not making
D.do not make
答案及解析： B
解析：
空后面同to make life easier之间为并列关系，因此也应用不定式结构；不定式的否定形式是在to前加not。