Your application is logging to Stackdriver. You want to get the count of all requests on all /api/alpha/* endpoints. What should you do? 

Answer options:

A. Add a Stackdriver counter metric for path:/api/alpha/.
B. Add a Stackdriver counter metric for endpoint:/api/alpha/*.
C. Export the logs to Cloud Storage and count lines matching /api/alpha.
D. Export the logs to Cloud Pub/Sub and count lines matching /api/alpha.

C