View the exhibit, which contains the output of a web filtering diagnose command, and then answer the question below.

Which one of the following statements explains why the cache statistics are all zeros?

A. There are no users making web requests.
B. The administrator has reallocated the cache memory to a separate process.

C. The FortiGuard web filter cache is disabled in the FortiGate’s configuration.

D. FortiGate is using flow-based inspection which doesn’t use the cache.