In my view,   London's not as expensive in price as Tokyo,  but Tokyo is ________ in traffic. [      ]

A. the most organized    

B. more organized

C. so organized as    

D. as organized as

如果一个行业中企业家数很少，产品具有同质性或只有微小差别、相互间替代性很强，个别企业对产品价格的控制程度较高，这类行业属于（）

A．完全竞争

B．不完全竞争

C．寡头垄断

D．完全垄断