单选题 A 1994 World Bank report concluded that ______ girls in school was probably the single most effective anti-poverty policy in the developing world today.
【正确答案】 A
【答案解析】enrolling“招收，参加”；assigning“指派，分配”；involving“牵涉，使参与”； consenting“允许，赞成”。根据句意和各个选项的意思可知，正确答案是A。