In What Way Are Humans Exposing Wild Populations to Diseases

In what way are humans exposing wild populations to diseases they would normally not be exposed to?

A) As human communities expand,we are encroaching on species habitat.This causes them to become exposed to diseases they normally would not be exposed to
B) As humans spend more time in nature,they are exposing wild populations to our diseases
C) As humans increase the number of animals they domesticate,we are exposing them to diseases they are not used to.When the animals are released back into the wild they carry the diseases with them
D) The overuse of antibiotics have selected for the strongest diseases to continue within our population.This has enabled them to spread to wild populations as well
E) The illegal harvest of wild species is causing them to become exposed to many diseases they would normally not be exposed to