What is the Impact on a User of the Organization level Locale Changes? 

Answer options:

A. The default Locale of the user is also set to the new Organization Level locale
B. The User is asked for a Choice; if he would like to choose New Organization Locale or his own Locale
C. No Impact on the User as he keeps using his own default Locale
D. From a new session, user will see everything in the New Organization Locale

C