With the development of science,more and more new technology_____to the fields of IT

With the development of science,more and more new technology_____to the fields of IT

题目
With the development of science,more and more new technology_____to the fields of IT
A.has introduced B.is being introduced C.is introduced D.was introduced
答案
B.is being introduced
句子意思:
随着科学的发展,越来越多的新技术正在被引入IT领域.
所以,需要现在进行时,且是被动的.
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