Based on Current Evidence, Which of the Following Statements About

Multiple Choice

Based on current evidence, which of the following statements about gamma ray bursts is true?

A) All those that we have detected occurred in distant galaxies.
B) All gamma ray bursts are produced by supernovae.
C) They come primarily from the Milky Way's central black hole.
D) They occur in the same types of close binary systems that produce X- ray bursts.