根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。
With summer being the busiest season for most national parks, the potential for meeting with wildlife increases. Visitors should watch out. In fact, incidents because of attacks from the wildlife are rare.
Many problems with wildlife can be avoided simply by doing a little research before entering an unfamiliar area. For instance, the American alligator( 短吻鳄) can be found from South Carolina to Florida and to Texas. When you visit parks in those areas, remind yourself not to approach an alligator or get in the water with one,
If your actions cause a reaction from the animal, then you're too close. In general, remain at least 100 yards away from animals like bears and wolves. For other wildlife, 25 yards is usually a good rule.
In addition, one way to prevent dangerous wildlife encounters is to keep your food to yourself. Animals occasionally come to associate humans with food.In fact, even small wildlife animals with a taste for human food can be surprisingly harmful.
When visiting wildlife animals, you need to keep yourself safe.Therefore, you also need to do your part to make sure that those wildlife animals are safe so that other people can enjoy visiting them as well.
A. There're some problems worth knowing.
B. It's normal to bring food and drinks with you.
C. It can create situations that put both parties at risk.
D. Of course, giving wildlife a lot of room is necessary.
E. It's important to know what animals live in places you visit.
F. Besides, you should remember seeing wildlife is not a privilege.
G. They can be made even rarer by following a few basic guidelines.