What is "my son" perhaps right about?
A. I am the only parent who still corrects his childr's English.
B. I am a boring and strange parent.
C. I like grammar.
In para. 2, I got serious about this only recently..., what does "this" refer to________?
A. my son doesn't seem to like grammar.
B. my son doesn't like me.
C. my former student didn't give me a satisfying answer.
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