No change was made to script which option describe the most likely cause of this issue?

A postman script to poll a specific object was working a few minutes ago, but suddenly stopped working. The APIC is still reachable from you clients and seems to function normally.

No change was made to script which option describe the most likely cause of this issue?
A . The authentication token has expired, you need to reauhthenticate first
B . The object data is being returned as JSON instead of XML
C . The APIC license expired
D . A man-in-the-middle attack is preventing the script to execute as expected

Answer: C