单项选择题

A. Use the Key Management Service (KMS) for all the computers.
B. Use Multiple Activation Key (MAK) Independent for all the computers.
C. Use Multiple Activation Key (MAK) Proxy for the first 200 computers, and then use the Key Management Service(KMS) for the remaining computers.
D. Use Multiple Activation Key (MAK) Independent for the first 200 computers, and then use Multiple Activation Key(MAK) Proxy for the remaining computers.