Reading the lines we can get the message _ they are worried about their son.A. between; t

问题补充：

Reading the lines, we can get the message _ they are worried about their son.

A. between; that

B. behind ; that

C. along; what

D. among; which

答案：

(答案→)A. between; that

B. behind ; that

C. along; what

D. among; which

解析：考查固定词组与同位语从句。Read between the lines领悟言外之意; that they are worried about their son. 是同位语从句解释message的内容。That只起引导作用，不充当任何成分。