Let P and P be two planes given by P:10x+15y+12z-60=0, P: -2x+5y+4z-20=0. Which of the following straight lines can be an edge of some tetrahedron whose two faces lie on P and P? x-1 y-1 z-1 (A) (B) 0 0 5 (C) | == -2 y-4 Z = 5 4 (D) x-6 y -5 === 2 3 y-4 X -= 1 -2 = Z 3