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

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：考查短语辨析。Sooner or later迟早，Once in a while偶尔，To be exact确切的说，Believe it or not信不信由你，句意：根据我奶奶的说法，当你感冒的时候喝鸡汤是一个好主意。信不信由你，许多科学家同意她的说法。故选D。