Which of the following statements applies to the x445 memory subsystem？（）

A. With XA-32 architecture， addressing more than 64GB of RAM can be installed.
B. The amount of memory should be balanced across ports for best performance.
C. All DIMM slots should be populated in numerical order - slot 1 before slot 2， slot 2 before slot 3， etc.
D. All even number DIMM slots should be populated before odd number DIMM slots.