(2009•福州)将1,2,3三个数字随机生成的点的坐标,列成下表.如果每个点出现的可能性相等,那么从中任意取一点,则这个点在函数y=x图象上的概率是( )
A.0.3
B.0.5
C.
D.
0 173866 173874 173880 173884 173890 173892 173896 173902 173904 173910 173916 173920 173922 173926 173932 173934 173940 173944 173946 173950 173952 173956 173958 173960 173961 173962 173964 173965 173966 173968 173970 173974 173976 173980 173982 173986 173992 173994 174000 174004 174006 174010 174016 174022 174024 174030 174034 174036 174042 174046 174052 174060 366461
| (1,1) | (1,2) | (1,3) |
| (2,1) | (2,2) | (2,3) |
| (3,1) | (3,2) | (3,3) |
A.0.3
B.0.5
C.
D.