Q63,paper3,j 12. If a and b are the end points of a line, then which one of the following is true ?

options (A) If both end points are left, right,above or below the window, the line is invisible.
(B) If both end points are left, right,above or below the window, the line is completely visible.
(C) If both end points are left, right,above or below the window, the line is trivially visible.
(D) If both end points are left, right,above or below the window, the line is trivially invisible.
Answer(D).