5.(单选题,20分)-|||-过点 (1,0,-2)() 和点 (2,-2,3) 的直线方程为() ()-|||-A. dfrac (x-2)(1)=dfrac (y+2)(-2)=dfrac (z-3)(-5)-|||-√ B. dfrac (x-2)(1)=dfrac (y+2)(-2)=dfrac (z-3)(5)-|||-C. dfrac (x-1)(1)=dfrac (y)(2)=dfrac (z+2)(-5)-|||-D. dfrac (x-1)(1)=dfrac (y)(2)=dfrac (z+2)(5)