15.I know him when we were at school together,but
that's many years ago.If I were to meet him today I
shouldn't know him from Adam .The underlined
sentence means.
A.I can't recognize him without Adam's help
B.I should recognize him at first sightC.I should be unable to recognize him
D.I should have recognized him
B)下列5题中的句子可以组成一篇小短文,请从所给的四个选项中选出可以填入空白处的最佳选项。