Given the question: Write a multi-choice question for the following article, with the given choices and answer: Article: Opening in 1934, the Brookfield Zoo quickly received a worldwide reputation for its special displays and unique exhibits. Address: 1stAvenue between Ogden Avenue and 31stStreet, Brookfield, Illinois Phone: 708-688-8000 Getting to the Brookfield Zoo by Public Transportation: The Metra Rail Burlington Northern line runs from Union Station downtown to the "Zoo Stop"(Hollywood Station) and from there it's only a 2-block northeast walk to the zoo. Driving from Downtown: Drive along the Eisenhower Expressway west to First Avenue exit. Head south about 2.5 miles and follow the signs to the zoo entrance. Parking at the Brookfield Zoo: Parking fees are $9 for cars and $12 for buses. The Brookfield Zoo Hours: The Brookfield Zoo is open 365 days per year. Monday-Saturday: 9:30 a.m. to 6:00 p.m. Sunday: 9:30 a.m. to 7:30 p.m. The Brookfield Zoo Tickets: Adults(ages 12-64), $13.50; Seniors(ages 65+), $9.50; Children(ages 3-11), $9.50; Children(ages 2 and under), free The Brookfield Zoo Featured Exhibits: Tropic World; WolfWoods; Living Coast; Seven Seas; Fragile Kingdom; Australia House; Havitat Africa. About the Brookfield Zoo: The Brookfield Zoo is located just 14 miles west of downtown Chicago. It's home to a variety of animal species, and its use of natural barriers and moats is so much more relaxing and enjoyable than watching a lion pace back and forth in a cage. The absence of bars also makes for great wildlife photo opportunities. The Brookfield Zoo also focuses on education, with detailed displays about the animals being viewed and the interactive program that lets kids get some hands-on experience to learn what it takes to run a zoo as well as face painting and crafts. For more information about the Brookfield Zoo, visit www. brookfieldzoo.org. Options: A Its cheap tickets. B Its various activities C Its cage-less displays. D Its geographical advantage. Answer: C Its cage-less displays. Question:
The answer is:
What make(s) the Brookfield Zoo more attractive and enjoyable?