Earlier on Monday, Obama's spokesman said Washington _________ Karzai as the legal leader of Afghanistan and would continue talks with him.

A concerned      B commanded           C rewarded             D recognized

依据《水污染防治法》，在运河、渠道、水库等水利工程内设置排污口，应当先经( )同意。

A．当地的环境保护主管部门

B．当地人民政府

C．有关水利工程管理部门

D．上述三个部门