Who Predicted the Existence of the Cosmic Microwave Background Radiation,the

Multiple Choice

Who predicted the existence of the cosmic microwave background radiation,the radiation left over from the Big Bang,and began making preparations to detect it?

A) Ralph Alpher and George Gamow
B) Arno Penzias and Robert Wilson
C) Anthony Hewish and Jocelyn Bell
D) Robert Dicke and P. J. E. Peebles