With the development of science and technology more new technology to the fields of IT.A

问题补充：

With the development of science and technology , more new technology to the fields of IT.

A. has been introducing

B. is being introduced

C. is introduced

D. was introduced

答案：

A. has been introducing

(答案→)B. is being introduced

C. is introduced

D. was introduced

解析：这题考查时态语态，句意是：随着科技的发展，更多新科技正在被引进到IT领域。选B。