《琵琶记》的第一出是下面哪一项（）。
A、副末开场
B、高堂称寿
C、牛氏规奴
D、一门旌奖
参考答案：A
More wild tigers have been seen in the forest around this area, ____ there used to be very few.
A．when
B．where
C．what
D．which
