A: Aren’t we supposed to have the meeting begun at 9 Where is the chair
B: ().

A. You know our director. He is always behind schedule.

B. I know it’s very later

C. No. I’ll have it tomorrow, not today.

D. See you then.

高某因与伊某的母亲有仇，故意致15岁的伊某重伤。在法院开庭审理该案件时，伊某的母亲请求法庭判决被告人赔偿伊某医疗费等人民币3200元。请问，伊某的母亲处于何种诉讼地位( )

A．当事人

B．法定代理人

C．诉讼代理人

D．辩护人