It was my sister _____ first had the idea to cycle along the entire Mekong River from _____ it began to where

it ends. [ ]

A. who; which

B. who; where

C. that; which

D. that; what

从我国的有关法律法规来看，国家在保证学生的受教育权方面负有重要责任，以下哪些方面是国家为此做出的努力?()

A．为所有学生提供正常的教育机会

B．关注贫困学生，设立帮困基金

C．关注残疾学生，设立特殊的教育机构

D．实施奖学金、助学金、贷学金制度

E．学生无权因学生交不起学杂费或其他摊派费用而让学生停学、退学或变相开除