Which statement describes the two steps necessary to prove that point Q is the midpoint of segment AB? * A. Show that AQ = QB; show that AQ = 2AB, and BQ = 2AB. B. Show that A, Q, and B are collinear; show that AQ + QB = AB. C. Show that AQ = QB; show that ∠QAB≅∠QBA. D. Show that A, Q, and B are collinear; show that AQ = QB