【例 https:/img.cdnjtzy.com/zyb_536ea5cd31dfaf2b8cf771585a5fc7af.jpg-1-12 与 (x)=ln (x)^2 为同一函数的是 ()-|||-A. (x)=2ln |x| B. (x)=(ln )^2x-|||-C. (x)=(ln )^2x(xgt 0) D. (x)=2ln x(xgt 0)