<p>A, B, C, D, and E all are distinct points that lie in the same plane. If AB||CD and AC||BD, which of the following is a set of points of all of which could lie on the same line?</p>
<p>It’s basically a rectangle with corners A, B, C, and D. You can put E wherever you want to, so the answer is the one with two points and E (the third choice).</p>