问题补充：
With the development of science,more new technologyto the fields of IT.
A. has introduced
B. is being introduced
C. is introduced
D. was introduced
答案：
A. has introduced
(答案→)B. is being introduced
C. is introduced
D. was introduced
解析：考查动词语态。句意：随着科学的发展，更多的新技术正在被引进IT业。表示目前正在发生的事情，用现在进行时的被动语态。
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