—According to my grandma it is a good idea to eat chicken soup when you have a cold.­

问题补充：

—According to my grandma, it is a good idea to eat chicken soup when you have a cold.

­—, scientists agree with her.

A. Sooner or later

B. Once in a while

C. To be exact

D. Believe it or not.

答案：

A. Sooner or later

B. Once in a while

C. To be exact

(答案→)D. Believe it or not.

解析：本题考查交际用语。根据句意：“根据我祖母的观点，感冒时喝鸡汤是个好主意。”“信不信由你，科学家也同意她的观点。”选择D。A迟早，B偶尔，有时，C准确地说等三个答案均不符合句意。