You have a 10Mbps network card in your computer. You install a 100Mbps network card on your computer and restart the computer. The 100Mbps card in not working due to a conflict with the10Mbps card. You want only the 100Mbps card to be active. What should you do to disable the10 Mbps network adapter？（）

A. Remove the 100MB Ethernet adapter driver by using device manager.
B. Remove the drivers for both Ethernet adapters cards by using device manager.
C. Install the 100MB Ethernet adapter in different PC card slots.
Disable the device drivers for the 10Mb card using by using Device Manager.