Nowadays with the development of science,more new technology__to the field of IT.Ahas introduced.B.is being introduced.C.is introduced.D.wasintroduced

问题描述:

Nowadays with the development of science,more new technology__to the field of IT.Ahas introduced.B.is being introduced.C.is introduced.D.wasintroduced

选择答案B
随着科学的发展,技术正被引入IT.因此选择进行语态,但是introduce必须是被动语态,所以B正确