题目已知f(x)=ln(sqrt(1+x^2)+x),求f-1(0)=( )A. 1B. (1)/(2)C. 0D. -(1)/(2)已知f(x)=ln($\sqrt{1+x^{2}}$+x),求f-1(0)=( )A. 1B. $\frac{1}{2}$C. 0D. -$\frac{1}{2}$题目解答答案C. 0