Is the technology that appears to emulate human performancetypicaliy by learning,coming to

Is the technology that appears to emulate human performancetypicaliy by learning,coming to its own conclusions, appearing to understandcomplex content, engaging in natural dialogs with people, enhancing humancognittive performance (also known as cognittive computing) or replacing peopleon execution ofnonroutine tasks().

A.Cloud service

B.Blockchain

C.Internet of things

D.Artificial intellingence