求解释为什么不是选C呢

xiaxia5209

What is valid reason for a switch to deny port access to new devices when port security is enabled?
A. The denied MAC addresses have already been learned or confgured on another secure interface in the
same VLAN.
B. The denied MAC address are statically configured on the port.
C. The minimum MAC threshold has been reached.
D. The absolute aging times for the denied MAC addresses have expired
Answer: B

fulltimes

并不是最小，是最大才对