Which One of the Following "Alternate" Hypotheses Might Also Explain

Which one of the following "alternate" hypotheses might also explain industrial melanism?

A) Dark moths are more resistant to the toxic effects of pollution than light moths.
B) Dark moths emigrate out of polluted areas to escape the pollution.
C) Pollution kills important tree species that peppered moths depend on for egg laying.
D) Because dark moths absorb more heat they are more active and better able to avoid bird predation.
E) Birds used the marks that Kettlewell placed on the moths when he released them to help them find and capture the moths.