43 What health problem was caused by the environmental pollution in Indonesia?
(A) Heart.
(B) Blood.
(C) Hearing.
(D) Breathing.
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統計: A(54), B(89), C(82), D(2161), E(0) #1720272
統計: A(54), B(89), C(82), D(2161), E(0) #1720272