During a code review of a module MyCompany_PaymentCurrencies you see a configuration field declared in the file etc/adminhtml/system.xml: 
A. The field value will not be accessible on the store front by calling ScopeConfigInterface::getValue() with a $scopeType argument of ‘store’.
B. The input field will not be visible if a store view scope is selected in the system configuration
C. The input field will only be visible if a website’s default store scope is selected in the system configuration
D. The input field will be disabled if a store view scope is selected in the system configuration
