Two guns A and B can fire bullets at speeds 1 km sec⁻¹ and 2 km sec⁻¹ respectively. From a point on a horizontal ground, they are fired in all possible directions. The ratio of maximum areas covered by the bullets fired by the two guns, on the ground is :
A. 1:2
B. 1 : 16
C. 1 : 8
D. 1 : 4
