After he became conscious, he remembered     and      on the head with a rod.

A．to attack;hit

B．to be attacked;to be hit

C．attacking;be hit

D．having been attacked;hit

曼氏迭宫绦虫成节的特征哪一项是错误的（）.

A.有子宫孔

B.雌、雄生殖孔分开

C.生殖孔开口于节片中部

D.卵黄腺在节片后部

E.节片宽大于长