6. In today's global economy, new countries and regions have ____ as major players and new challenges have become apparent.
(A) merged
(B) submerged
(C) emerged
(D) purged
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統計: A(0), B(0), C(1), D(0), E(0) #3373182
統計: A(0), B(0), C(1), D(0), E(0) #3373182