Why Would It Be Very Improbable for Our Universe to Have

Multiple Choice

Why would it be very improbable for our universe to have $\Omega$ _mass + $\Omega$ _$\wedge$ = 0.9?

A) It would quickly evolve to have a much different value of $\Omega$ _mass + $\Omega$ _$\wedge$ .
B) In order to exist, every universe must have $\Omega$ _mass + $\Omega$ _$\wedge$ = 1.
C) We know $\Omega$ _mass = 1, based on the average density of galaxies.
D) The fluctuation in the CMB tell us that $\Omega$ _mass + $\Omega$ _$\wedge$ = 0.7.
E) Dark energy studies tell us $\Omega$ _$\wedge$ = 0.9.