问题补充：
She his number in the phone book to make sure that she had got it right.
A. looked up
B. looked for
C. picked put
D. picked up
答案：
(答案→)A. looked up
B. looked for
C. picked put
D. picked up
解析：A. looked up查阅 B. looked for寻找 C. picked out挑选出 D. picked up捡起；句意：她在电话本上查阅了他的号码，确保她没有记错。故选A
