[单项选择] A customer wants to install an IBM BladeCenter infrastructure but is concerned about the cost of the internal fibre switches. Consequently. the customer wants to use the Optical Pass-Thru Module （OPM）.  What TRUE statement should be mentioned to the customer regarding the OPM？（）
A. You can not put the Optical Pass-Thru Module in the same IBM BladeCenter chassis as a Cisco Intelligent Ethernet Switch.
B. Using blade servers with the Optical Pass-Thru Module will require more fibre ports on the external fibre switch.
C. The Optical Pass-Thru Module does not provide the customer with an opportunity to reuse their fibre switch.
D. The blade servers do not work with the Optical Pass-Thru Module.