She his number in her phone book to that she had got the right number. A. looked for be

问题补充：

She his number in her phone book to that she had got the right number.

A. looked for , be certain

B. picked up , make sure

C. picked out , be sure

D. looked up, make sure

答案：

A. looked for , be certain

B. picked up , make sure

C. picked out , be sure

(答案→)D. looked up, make sure

解析：本题考查短语辨析。句中look up查询；make sure保证。句意：她在她电话簿查询他的号码，目的是保证她得到正确的号码。