Three particle A, B & C move in a circle of radius r = 1/πm, in anticlockwise direction with speeds 1 m/s, 2.5 m/s and 2 m/s respectively. The initial positions of A, B and C are as shown in figure. The ratio of distance travelled by B and C by the instant A, B and C meet for the first time is

(A) 3 : 2
(B) 5 : 4
(C) 3 : 5
(D) 3 : 7