Many experts agree that once these treasures are _______ to the air, great harm will be done to them. So they think it better not to unearth the treasures.

A．exposed

B．threatened

C．constructed

D．conserved

基金税收涉及的内容有( )。

A．基金托管人作为基金营业主体的税收

B．股票股利收入涉及的税收

C．投资者买卖基金涉及的税收

D．基金管理人作为基金营业主体的税收