It not d
it not c
it is B
it not a
I believe it is because the sun is directly over us which cause more heat since it is beating down. be sure to get a second opinion
A good passing current is a small wave for example.
When you get a bruise, capillaries the smallest blood vessels get busted and release blood which will be trapped beneath the skin as a result of the trauma or impact which may be a blow or a cut
