He claimed _________ in the supermarket when he was doing shopping yesterday.

A．being badly treated

B．treating badly

C．to be treated badly　

D．to have been treated badly

血吸虫循环抗原包括：（）

A.肠相关抗原

B.膜相关抗原

C.可溶性虫卵抗原

D.尾蚴抗原

E.成虫抗原