题目

SeaWorldSeaWorld celebrates 50 years with a Sea of Surprises. Step under the waves at SeaWorld San Diego's all-new Explorers' Reef. Go hand-in to touch a shark, a crab, or thousands of tiny cleaner fish that will bite playfully at your fingers. And you can enjoy an all-new Shamu's Celebration: Light Up The Night show.TOUR: A14ADULT:＄111CHILD(3-10)＄105San Diego ZooTake a walk on the wild side at the San Diego Zoo with one of the most kinds of wild animals in the world. The San Diego Zoo covers 100 acres and brings 4, 000 animals, representing 800 kinds; together in one place. The Zoo has soThe airplane is flying ____________ the mountain. [     ]A. onB. inC. aboveD. at