The chord of the contact of tangents drawn from a point on the circle x2 + y2 = a2 to the circle x2 + y2 = b2 touches the circle x2 + y2 = c2 such that bp = amcn, where m, n, p ϵ N, and m, n, p are prime to each other, then the value of m + n + p + 3 is:

• A. 2
• B. 6
• C. 5
• D. 7