Many of the one-family children are so accustomed to that they react violently when they

问题补充：

Many of the one-family children are so accustomed to that they react violently when they hear something different.

A. be praised

B. being praised

C. praising

D. praise

答案：

A. be praised

(答案→)B. being praised

C. praising

D. praise

解析：

这题考查动名词的被动式做宾语的用法，be accustomed to doing“习惯于做某事”，孩子和表扬之间是被动的关系，所以选B。句意是：很多独生子女很习惯被表扬，以至于听到不同的事，就会反应强烈。