On April 13th, 2012 press conference is held by Los Angeles Police Department at crime scene of a shooting incident.
A. a; the
B. a; a
C. the; a
D. the; the
网友回答
(答案→)A. a; the
B. a; a
C. the; a
D. the; the
解析：考查冠词用法，a press conference 一场记者招待会 泛指第二空the crime scene of a shooting incident 一个枪击事件的现场， 特指
句意为在2012年四月十三日，在枪击事件的现场洛杉矶警方召开了一个记者招待会。