问题详情

One theory is that too much vitamin E______bleeding risk, which would______the risk of a type of Stroke, while another theory suggests that at high doses vitamin E stops working like an antioxidant, removing harmful molecules in the body, and instead becomes a pro-oxidant, actually promoting the production of harmful molecules,
A．decreases, decrease
B．increases, increase
C．decreases, increase
D．increases, decrease请帮忙给出正确答案和分析，谢谢！