【单选题】
You have a computer that runs Windows Vista Ultimate.<br /> You open the Windows System Performance Rating tool and receive a Windows Experience Index base score of 1.0. The subscores are as follows:<br /> ·Processor: 4.7<br /> ·Memory (RAM): 3.6<br /> ·Graphics: 1.0<br /> ·Gaming Graphics: 1.0<br /> ·Primary Hard Disk: 3.0<br /> You upgrade your video adapter card with a new card that meets the minimum requirements for Windows Aero.<br /> You open the System Performance and Rating tool and notice the base score and subscores have not changed.<br /> You need to enable Windows Aero.<br /> What should you do?()<br /> <img src="https://nimg.ppkao.com/2018-07/gelingxia/2018073114455559848.jpg?sign=881d9e4b5e12f8d0da583911ac47f0c1&t=62d3da48" /><br /> <img src="https://nimg.ppkao.com/2018-07/gelingxia/2018073114455828141.jpg?sign=34bb09b226b95597b64a4b5d252ea25a&t=62d3da48" />
A、A
B、B
C、C
D、D