I know a little about Thailand, as I ________ there three years ago.

A．have been

B．have gone

C．will go

D．went

车辆购置税具有专门用途，根据国家交通建设投资计划，由( )统筹安排。

A．地方财政

B．中央财政

C．国家交通部

D．国家税务