参考答案：A

解析：

译文：除了______本文提到了下列关于癌症风险的因素？

这是一道否定事实信息题，强调的是没有提到的信息。

通过选项中的关键信息，主要是名词来定位，切勿逐字逐句阅读，比较耽误时间，要以“扫描”的方式来筛选

Post-menopausal（绝经后）women who walk for an hour a day can cut their chance of breast cancer significantly, a study has suggested. The report, which followed 73,000 women for 17 years, found walking for at least seven hours a week （B. 选项regular walking）lowered the risk of the disease. The American Cancer Society team said this was the first time reduced risk was specifically linked to walking. UK experts said it was more evidence that lifestyle influenced cancer risk.( D. lifestyle choices)---------- Of the women,47% said walking was their only recreational activity. Those who walked for at least seven hours per week had a 14% lower risk of breast cancer （C. 选项recreational activity）compared to those who walked three or fewer hours per week.

通过快速的查找筛选，只有A. breathing exercise 是文中没有提到的。

考点

细节信息查找