Only ticket-holders were __________ to the stadium for the concert given by Jay Chou, so many of his fans were turned away.

A．allowed

B．permitted

C．agreed

D．admitted

迟发型过敏反应的主要特征包括（）。

A．有免疫球蛋白参与

B．动脉周围嗜中性粒细胞浸润

C．反应发生较慢

D．由效应T细胞与抗原作用后引起的炎症反应

E．损伤与补体无关