In order to()the pationt，the docter thought is wise to play down the serions nature of his illness．

A．comfort

B．conclade

C．comfase

D．compile

下列叛乱民族不同于其他三项的一项是( )。

A．噶尔丹叛乱

B．罗卜藏丹津叛乱

C．达瓦齐叛乱

D．张格尔叛乱