单选题 Believe me, my memory is ______, if not better than it was in my teenage years.

【正确答案】 D

【答案解析】[解析] 本题考查形容词原级比较。题干中有个插入结构if not better than，去掉之后原句还原成my memory is ______ it was in my teenage years，很明显应该填入as good as，其他选项均不正确。