Teachers and nurses who deal with children are obliged to report cases of suspected child abuse to authorities.

【正确答案】 C

【答案解析】解析：题干：和孩子们接触的老师和护士被要求如果发现虐童现象要向当局报告。oblige要求。remind提醒，使想起；expect期望，预期；request要求；compel强迫，迫使。故答案选C。