The center(s) of the circle(s) passing through the points (0, 0) and
(1, 0) and touching the circle `x^2+y^2=9`
is (are)
`(3/2,1/2)`
(b) `(1/2,3/2)`
`(1/2,2^(1/2))`
(d) `(1/2,-2^(1/2))`
A. `(3//2,1//2)`
B. `(1//2,3//2)`
C. `(1//2,2^(1//2))`
D. `(1//2,-2^(1//2))`