诊断DIC，可以选用下列哪一组作为筛选试验

A．血小板计数、BT和凝血时间(试管法)

B．血小板计数、PT和纤维蛋白原定量测定

C．优球蛋白溶解时间、3P试验和TT

D．TT、3P试验和血清FDP测定

E．APTT、PT、TT

There ______ a supermarket at the corner of the street. [ ]

A. was used to have

B. used to be

C. used to have

D. was used to having