Our new study included 22，398 UK Biobank participants who ha...

Our new study included 22，398 UK Biobank participants who had never been            cancer before and did not do any structured exercise in their leisure time.（ ）

本题句意为“我们的新研究包括22398名英国生物银行参与者，他们以前从未被诊断出患有癌症，并且在业余时间没有进行任何结构性锻炼。” be content with：对······满足；induce in：诱导，导致；be facilitating to：为······提供便利；be diagnosed with：被诊断出。根据句意，选D。