Research ______________ out at Liverpool University supports this idea and suggests that if we don’t use the sense of direction, we lose it.
A.not carry
B.carrying
C.being carried
D.having carried
网友回答
C解析考查动名词做后置定语，being carried修饰“Research ”，意思“正在被执行的研究……”，根据意思，可知选C