We welcome good employees, ______ their age or sex. A. thanks to B regardless of C. because of D. due to 答案:D16.设集合A={f(x)|存在互不相等的正整数m,n,k,使得[f(n)]2=f(m)f(k)成立},则下列不属于集合A的函数是( )A.f(x)=1+x${\;}^{\frac{1}{3}}$B.f(x)=1+lgxC.f(x)=1+2xD.f(x)=1+cos$\frac{π}{3}$x