1. Suppose a diagram contains line l, line m, line p, and line q. If all that is known is that line l is parallel to line m, and line p is parallel to line q, which of these statements must be true after all of the lines are reflected. A. Line l is parallel to line p. B. Line m is parallel to line q. C. Line l is parallel to line m. D. Line m is parallel to line p.