题干
Finding her car stolen, _____.
A：a policeman was asked to hel
B：the area was searched thoroughly
C：it was looked for everywhere
D：Mrs. Green reported it to the police
答案(点此获取答案解析）
D
=
. 将函数
的图象向左平移
（
）个单位,所得图象对应的函数为偶函数，则