The simple past tense, sometimes called the preterite, is used to talk about a completed action in a time before now. The simple past is the basic form of past tense in English. The time of the action can be in the recent past or the distant past and action duration is not important.
Tipper is the answer to your question your welcome if not keep on askin
is your question from a test
The correct answer is: option D
"Pets may carry diseases picked up in captivity."
the reason why the inference of releasing a pet to their original native area should be REVISED, is that the pet after some time in captivity, they can bring diseases and put in risk other animal's lives. It would not endanger the wildlife, other animals.