再生障碍性贫血（）
A.血小板生成减少
B.血小板消耗过多
C.血小板破坏增多
D.血小板稀释
E.以上都不是
参考答案：A
Their room was on the first floor, its broad window _______ the central park.
A．overlooking
B．overlooks
C．to overlook
D．being overlooking
大都城北积水潭北岸有全市最繁华的商业市场斜街市。（）
