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HONG KONG-----Hong Kong Disneyland is too crowded,a senior Chinese tourism official said today,hinting that another Disney Park is necessary to accommodate demand from China’s huuge population. The comments by Shao Qiwei,director of China’s State Administration of Tourism, came a day after Shanghai’s mayor Han Zheng said the city was preparing to build China’s second Disney theme park. “China has a very large population.We now have 1.3 bullion people. The market is very large.As far as I know,Hong Kong Disneyland is now very crowded.”said Shao,whose comments were broadcast on Hong 已知抛物线y2=2px（p>0）上一点M（1，m）（m>0）到其焦点的距离为5，双曲线的左顶点为A，若双曲线一条渐近线与直线AM平行，则实数a等于 A.B.C.3D.9