题目极限lim_(x to 0) (ln(y + e^x^2))/(sqrt(x^2 + y^2)) = ( )A. 0B. 1C. 不存在D. ln 2极限$\lim_{x \to 0} \frac{\ln(y + e^{x^2})}{\sqrt{x^2 + y^2}} = (\quad)$A. 0B. 1C. 不存在D. $\ln 2$题目解答答案D. $\ln 2$