19. The modern world is characterized by perilous state-to-state relationships _____ conflicts within states
caused by ethnic, religious, and nationalistic differences.
(A) as well as
(B) as well
(C) because
(D) and because
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統計: A(72), B(10), C(32), D(3), E(0) #3007625
統計: A(72), B(10), C(32), D(3), E(0) #3007625