2013年9月8日，日本东京获得2020年夏季奥运会主办权。但日本福岛核泄露事故造成日本近海含放射性物质铯的阴影仍萦绕在人们的心头。在硅藻→浮游动物→鲱鱼→鳕鱼这条日本近海食物链中,铯含量最高的生物是                           (    )

A．鲱鱼

B．浮游动物

C．硅藻

D．鳕鱼

The government has taken ______measures to stop pollution, hoping to call the attention of all people

to face the problem. [      ]

A. a great many

B. a great deal of

C. a plenty of

D. a large amount of