my mom () carefully,but she () nothingA listened,listened B heard,listened C listened,heard D heard,heard

my mom () carefully,but she () nothingA listened,listened B heard,listened C listened,heard D heard,heard
my mom () carefully,but she () nothing
A listened,listened B heard,listened C listened,heard D heard,heard

my mom () carefully,but she () nothingA listened,listened B heard,listened C listened,heard D heard,heard
C
linstened表示听的动作
heardb表示听的结果
这道题,妈妈仔细听,但是没听见
第一个听强调动作,第二个听强调结果
因此选C

C
先给个答案，不懂追问*^__^* 祝学习进步！ 谢谢！

C。前者其动作 后者结果

C
妈妈认真听，但她什么也没听到

C listened， heard