高中英语Thepurposeofnewtechnologiesistomakelifeeasier,_____itmoredifficult.
Thepurposeofnewtechnologiesistomakelifeeasier,_____itmoredifficult.
A.notmakeB.nottomakeC.notmakingD.don'tmake
这题选B,这个句子中nottomakeitmoredifficult做的是什么成分,这是什么语法?