A region of area A bounded by a circle C is divided into n regions, each of area A/n, by drawing circles of radii r1, r2, r3, ⋯ , rn-1 such that r < r2 < r3 < ⋯ rn-1 concentric with the circle C. If pm = rm+1 /rm, then which one of the following is correct?​

• A. p increases as m increases
• B. p decreases as m increases
• C. p remains constant as m increases
• D. p increases for some values of m as m increases and then decreases thereafter