阅读下列短文,从每题所给的 A、B、C 和 D 四个选项中,选出最佳选项。The best places to see giant pandas are, of course, in Chengdu, hometown of giant pandas. But there are zoos/parks in other China cities where you can see giant pandas if you can't get to Chengdu.
Dujiangyan Panda Base
● Location: Dujiangyan Prefecture, 67 km (41 mi) or
● 1.5 hours from Chengdu
● Pandas: about 20
● Activities: panda viewing, and panda keeper program
● Suitable for: those who want a less-crowded panda base or to join in a one-day volunteer program
● Time needed: half a day
Dujiangyan Panda Base focuses on breeding, wilderness training, and releasing pandas into the wild.
Only 1.5 hours from Chengdu, it is the most easily-accessible panda base offering a panda keeper program.
Wolong Panda Base
● Location: 121 km (175 mi) west of Chengdu, 3 hours' driving
● Pandas: about30
● Activities: seeing pandas, panda keeper program, hiking in wild panda habitat
● Best for: taking part in a volunteer program in a peaceful environment
● Time needed: 2 days
Compared with Dujiangyan, Wolong Panda Base is much further away from Chengdu. Thus, it is less frequented by visitors. Besides, Wolong National Nature Reserve is considered to be the real hometown of wild pandas.
Chongqing Zoo
● Location: Chongqing City, conveniently on subway line 2
● Pandas: about 16
● Activities: Seeing pandas only
● Time needed: 2 hours
● Best for: travelers who visit Chongqing or take a Yangtze Cruise
Chongqing Zoo boasts 16 pandas, which is second to Chengdu Giant Panda Breeding Center among the city zoos. Located in the "Mountain City", Chongqing Zoo is built on the mountain slopes. The panda house utilizes the mountainside and includes a rock cave. So, you have to climb up a little for a panda visit there.