问题
选择题
As to the subject, we have consulted the most _______ professor who gave us _______ explanation.
A．learning; content
B．learned; contented
C．learnt; contented
D．learn; content
答案
答案：B
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。