Let n ≥ 3 and let C1, C2, ….., Cn, be circles with radii r1, r2, ….., rn, respectively. Assume that Ci and Ci+1 touch externally for 1 ≤ i ≤ n – 1. It is also given that the x-axis and the line y = 2√2x + 10 are tangential to each of the circles. Then r1, r2, ….., rn are in -
(A) an arithmetic progression with common difference 3 + √2
(B) a geometric progression with common ratio 3 + √2
(C) an arithmetic progression with common difference 2 + √3
(D) a geometric progression with common ratio 2 + √3