Mistake turns into surprise

A woman in Handan, Hebei province, accidentally put 100 yuan credit into someone else's phone by dialing the wrong number but got a surprise. Thinking she will never get the money back, the woman texted to the number and jokingly said: "You're welcome. I'm rich and I do what I want!" Half an hour later, the woman was surprised to receive 200 yuan credit and a message that said: "I have nothing but money, so I guess you could help others besides me.

How much money did the women actually get from the mistake?

A. 100 yuan

B. 200 yuan

C. 300 yuan

（中國日報網英語點津 Helen 編輯）