Which of the following configurations adds a community to routes that are matched on AS criteria?

A.
route-policy policy1
if as-path in set1 then
set community (356:1000)
endif
end-policy

B.
route-policy policy1
if community in set1 then
set community (356:1000) additive
endif
end-policy

C.
route-policy policy1
if as-path in set1 then
set community (356:1000) additive
endif
end-policy

D.
route-policy policy1
if as-path neighbor-is set1 then
set community (356:1000) additive
endif
end-policy

Explanation: