StephenHawkinghasexpressedhisopinio

发布时间：2020-07-12 03:38:41

Stephen Hawking has expressed his opinion   ___ humans might one day be able to make spaceships capable of such speeds that time on board would slow down．












A.that











B.whom










C.which










D.what

网友回答

A解析考查名词性从句。句中考查that引导的同位语从句，解释说明名词his opinion，在句中不作任何成分，故选A。
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