Refer to the exhibit. Which statement is true about what this AS filter accomplishes? 

Answer options:

A. It filters incoming BGP updates with an AS number matching "5.5", but not 515, 525.535, etc, and this only in an AS_SET.
B. It allows any AS number with the statement ".*" and this only in an AS_SET
C. It filters incoming BGP updates with any AS number starting with the digit 5 and ending with the digit 5, and this only in an AS_SET.
D. It filters incoming BGP updates with any AS number starting with the digit 5 and ending with the digit 5, and this only in an AS_PATH.

A