房地产经纪人执业资格注册有效期满前（）个月。持证者应到原注册管理机构办理再次注册。
A.l
B.2
C.3
D.4
参考答案：C
.
. Kathryn Bigelow, director of “The Hurt Locker”, was the first female ______ the best director Oscar.
A．winning
B．to win
C．won
D．has won
