Does the Temperature of the Cosmic Background Radiation Tell Us

Multiple Choice

Does the temperature of the cosmic background radiation tell us about the age of the universe?

A) Yes, since it was produced at a redshift of approximately 1,000.
B) No, we still need to know the Hubble constant to know the universe's age.
C) No, the temperature does not but the size of temperature variations in the CMB does tell us the age.
D) Yes, in combination with information on cosmic nucleosynthesis.
E) No, the CMB formed at a wide variety of times and gives no information on the age of the whole universe.