29. What is the main purpose of this passage?
(A) To address the social issue of child abuse.
(B) To evaluate the consequence of child labor.
(C) To report a particular case of child exploitation.
(D) To give information about child welfare resources.
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統計: A(29), B(8), C(16), D(8), E(0) #3178161
統計: A(29), B(8), C(16), D(8), E(0) #3178161