It is widely believed among bioengineers _____ it will be possible to create lif

题干

It is widely believed among bioengineers _____ it will be possible to create life under laboratory conditions．

A．which

B．what

C．that

D．when

上一题下一题 0.64难度单项选择更新时间:2011-02-24 02:58:41

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