PT 60 S3 Q10

A ring of gas emitting X-rays flickering 450 times persecond has been observed ... ...

The statements above, if true, most strongly support which one of the following, assuming that the widely accepted physical theories referred to above are correct?
(A) Black holes that have orbiting rings of gas with radii greater than 49 kilometers are usually stationary.
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Complete Section: LR-B, June '10 LSAT (PT 60 Sec. 3)