问题补充:
The mother is very glad; her baby is beginning .
A. understanding what she means
B. to understand that she meant
C. to understand what she means
D. noticing what she means ,
答案:
A. understanding what she means
B. to understand that she meant
(答案→)C. to understand what she means
D. noticing what she means ,
解析:考查begin的用法:begin后面一般可以接不定式或动名词做宾语,但如果做宾语的动词是表示心理活动的词,就用动名词做宾语,句意:妈妈很高兴,她的孩子开始理解她的意思了。选C。