【题目】The president spoke at the business meeting for nearly an hour without________his notes.
A.bringing up
B.referring to
C.looking for
D.trying on

【答案】B
【解析】句意：董事长在商业会议上讲了将近一个小时而没有参考他的发言稿。refer to“参考，参阅”。bring up“抚养”；look for“寻找”；try on“试穿”。