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

某派出所2名民警在办案过程中，因情况紧急，当场对违法行为人张某实施了强制传唤。办案民警应当在24小时内向其所属公安分局负责人报告，并补办强制传唤的批准手续。