—I prefer western food. Its a kind of healthy food.— But western food is said to be high

问题补充：

—I prefer western food. Its a kind of healthy food.

— But western food is said to be high in sugar and fat, such as hamburgers and fries.

A. Is that right?

B. How do you know that?

C. Do you really think so?

D. Who told you that?

答案：

A. Is that right?

B. How do you know that?

(答案→)C. Do you really think so?

D. Who told you that?

解析：C句意：“我更喜欢西餐。它是一种健康的食品。”“你真的这样认为吗？但是据说西餐含糖和脂肪量高，例如汉堡包和炸薯条。”根据答语第二句的内容可知，应选“Do you really think so？”。