As we grow older, birthdays seem to  more quickly than when we were children.

A．come in

B．come around

C．come out

D．come over

经国务院批准，财政部、国家税务总局决定调整证券（股票）交易印花税征收方式，将现行的对买卖、继承、赠与所书立的Ａ股、Ｂ股股权转让书据按１‰的税率对双方当事人征收证券（股票）交易印花税调整为单边征税。将证券（股票）交易印花税调整为单边征税的政策属于（）

A.扩张性财政政策

B.扩张性货币政策

C.紧缩性财政政策

D.紧缩性货币政策