If We Compare an Elliptical Galaxy and a Spiral Galaxy

Multiple Choice

If we compare an elliptical galaxy and a spiral galaxy of the same mass 1 billion years after both began formation,

A) they should each have about the same number of stars.
B) the elliptical galaxy will have formed more stars than the spiral.
C) the spiral galaxy will have formed more stars than the elliptical.
D) neither galaxy will have formed any stars during the first billion years.