In Paragraph 5, the underlined word 'that study' refers to______. A．his own study B．the study of cancer insulated from screening C．the study involves screening D．the study carried out by Claudia Henschke
A. A．his B.the C.the D.the
【参考答案】
C 属指代关系题。该词位于第五段第二句，该句的意思是巴赫博士根据非CT检出肺癌的研究结果建立了统计学模型，并假设......