Astrophysicist: Gamma ray bursts (GRBs)—explosions of powerful radiation from deep space—have traditionally been clas...

Irina on October 12 at 05:34PM

@Ryan-Mahabir,

(B) weakens rather than supports the argument, if classifications can be made on the basis of duration alone, then "short" and "long" classifications are still appropriate regardless of other properties other than duration. (C) supports the argument because if properties other than duration are more important, the labels that are based solely on duration "long" and "short" are less useful.