When I was a teenager，my mother's broken English embarrassed me.But now，I see it differently.To me，my mother's English is perfectly clear，perfectly natural.It is my mother tongue.Her language，as I hear it，is vivid，direct，and full of observation and wisdom.It was the language that helped shape the way I saw things，expressed ideas，and made sense of the world.Q: What does the author think of her mother's English now?

A. It confuses her.
B. It embarrasses her.
C. It helps her understand the world.
D. It helps her tolerate rude people.