40．The old man sitting on the park bench seemed ____ to me, yet I couldn't possibly remember where we had met before.
A．proud B．gradual C．familiar D．mental

答案与解析：
选C (familiar)。本题考查形容词辨析。句意：坐在公园长凳的老人似乎对我很熟悉，然而我却想不起来以前我们在哪里见过。be familiar to表示“对……很熟悉”，由后半句可知应选C。