问题
单项选择题
A．( The apple is one of the fruits that can lower your blood sugar
B．( Apples are sugar-containing fruits that may raise your blood sugar
C．( Although it is sugar-containing, the apple is a kind of healthy fruits
D．( For those who are on a diet, an apple a day is enough because it digests slowly
答案
参考答案：C
解析：[听力原文] Not all sugar-containing foods are bad. For example, an apple has its main calories come from sugar, but it’s surrounded by fiber. So it digests slowly and keeps blood sugar under control.