In the past thirty years Iran has been doing secretly the nuclear enrichment work, which is a direct challenge to the United States, Europe and the rest of the world.

A．ABAC is made up of three representatives from APEC member countries.
B．Each APEC member country appoints one representative as the members of ABAC.
C．Three APEC Leaders appoint representatives as the members of ABAC.
D．Each APEC member country appoints three representatives as the members of ABAC.