过双曲线^{$\frac{x^2}{a^2}-\frac{y^2}{b^2}=1(a>0,b>0)$}的右焦点F作圆$x^2+y^2=a^2$的切线FM(切点为M)，交y轴于点P.若M为线段FP的中点，则双曲线的离心率为(　　)

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    Hello, my name is John. I have PE, art and English on Tuesday（星期二）. It's my favourite day. I like English. Look, that is my math teacher. He's very kind. His name is Li Hai. I like beef very much, but I don't like apples. I like bananas, too.