In Which Scenarios Can an AS-Path-Filter Be Used? (Choose Three

In which scenarios can an AS-Path-filter be used? (Choose three.)

A) apply clause in a route-policy
B) Filtering routes received from BGP peers based on the AS_Path attribute. For example, the peer X.X.X.X as-path-filter import command.
C) if-match clause in a route-policy
D) Filtering routes sent to BGP peers based on the AS_Path attribute. For example, the peer X.X.X.X as-path-filter export command.