When people engage in activities that help others, their brain releases endorphins, the brain’s natural opiates, which induce in people a feeling of well-being. It has been suggested that regular release of endorphins increases people’s longevity. And a statistic on adults who regularly engage in volunteer work helping others shows that they live longer, on average, than adults who do not volunteer. However, that statistic would be what we would expect even if volunteering does not boost longevity, because___________ Which of the following most logically completes the argument? A In the communities studied, women were much more likely to do regular volunteer work than men were, and women tend to live longer than men do B The number of young adults who do regular volunteer work is on the increase C The feelings of well-being induced by endorphins can, at least for a time, mask the symptoms of various conditions and diseases, provided the symptoms are mild D It is rare for a person to keep up a regular schedule of volunteer work throughout his or her life E Some people find that keeping a commitment to do regular volunteer work becomes a source of stress in their lives 错选了C，答案给的A。A说女士比男士更可能做志愿活动，女士比男士活得长。这不是支持原文了么？可以题目不是应该驳斥吗？

请问May老师，条件1是对的吗？谢谢！

请May老师作答。我算出来是330/7，不知道对不对。

请问May老师，这道题应该选什么？谢谢

请问May 老师，应该选哪个？谢谢

请问May 老师，条件1是对的吗？

老师，请问这道题选什么？

老师，请问这道题选什么？

这道题怎样缩放老师

老师，请问这道题E为什么不对？为什么要用there is?不理解。

请问老师，选哪个?