A-A+
What is said to be a benefit of dietary fiber？
问题详情
What is said to be a benefit of dietary fiber？
A．Improved digestion
B．Lower blood pressure
C．Stronger immune system
D．Reduced risk of heart disease
参考答案
正确答案：D
解析：说明文最后一句话Increased fiber in take has been shown to reduce the risk of cancer and heart disease．说明摄取多的纤维素能够有效降低患癌症或心脏病的可能性。因此(D)是正确答案。
