A:0,1
B:-1,0
C:-1,0,1
D:-2,-1,0,1,2,
已知O为△ABC内一点,且有OA→+2OB→+3OC→=0→,记△ABC,△BCO,△ACO的面积分别为S1,S2,S3,则S1:S2:S3等于( )