应该是圆锥的母线长是高线长的...吧
设圆锥底面半径R,高H,母线长L,
圆锥侧面积=(1/2)L(2∏R)=∏RL=8,...(1)
等底等高的圆柱的侧面积=2∏RH=2,即∏RH=1,...(2)
(1):(2),
∏RL:(∏RH)=8:1
L=8H
选择B,