As to the subject, we have consulted the most _______ professor who gave us _______ explanationA.learning; contentB.learned; contentedC.learnt; contentedD.learn; content
网友回答
B解析考查词义辨析。learned 形容词，有学问的，contented 满意的，句意：关于这个科目，我们已经咨询了最有学问的教授，他会给我们满意的解释。所以选B。