39. According to the article, what is a likely result of El Niño and La Niña?
(A) Tsunamis
(B) Shifts in ocean temperature
(C) Coastal erosion
(D) Irregular activity in all ocean currents
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統計: A(0), B(4), C(0), D(0), E(0) #3556321
統計: A(0), B(4), C(0), D(0), E(0) #3556321