As the film star began to appear，the children watched, ________.

A．fascinating

B．fascinated

C．being fascinated

D．having fascinated

下列哪项不属于血小板功能试验

A．血小板聚集试验

B．血小板黏附试验

C．血块退缩试验

D．凝血酶时间测定

E．出血时间测定