What is the default port-security behavior on a trunk link?

What is the default port-security behavior on a trunk link?

A. It places the port in the err-disabled state if it learns more than one MAC address. B. It causes a network loop when a violation occurs. C. It disables the native VLAN configuration as soon as port security is enabled. D. It places the port in the err-disabled state after 10 MAC addresses are statically configured.