Help me please!!

You are trying to find out why the sky is blue. You heard one
time that the sky is blue because the air reflects the blue of
the ocean, so you decide to make that your hypothesis.
Hypothesis: The sky is blue because the air reflects the blue
color of the ocean.
What's wrong with this hypothesis?
Α.
It's not informed.
B
It can't be tested.
C
It's probably not supported.
D
It doesn't lead to any predictions.