You are the desktop administrator for your company. The company's network contains a RIS server, a DHCP server, and a DNS server. You need to install Windows XP Professional on a computer that does not have a CD-ROM drive. The computer has the following configuration: a Pentium III 1-GHz processor, a 5-GB hard disk, 128 MB of RAM, a modem in the first PCI slot ,an Ethernet card in the last ISA slot. You attempt to install Windows XP Professional on the computer by using a RIS bootable floppy disk. However, you are unable to connect to the RIS server. What should you do?（）

A. Move the Ethernet card to the first ISA slot.
B. Remove the Ethernet card and replace it with an Ethernet card that is PXE compliant.
C. Share the RIS image on the RIS server. Create a network bootable floppy disk. Insert the floppy disk, and install Windows XP Professional from the share.
D. Place the NDIS network drivers in the root directory of the RIS bootable floppy disk. Use the floppy disk to connect to the RIS server.&e