With the development of science,more new technology      to the fields of IT.
A．has introducedB．is being introduced
C．is introducedD．was introduced
B
考查動(dòng)詞語(yǔ)態(tài)。句意：隨著科學(xué)的發(fā)展，更多的新技術(shù)正在被引進(jìn)IT業(yè)。表示目前正在發(fā)生的事情，用現(xiàn)在進(jìn)行時(shí)的被動(dòng)語(yǔ)態(tài)。
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