眼外伤导致交感性眼炎的致病相关因素是()

A．独特型网络调节失常

B．超抗原

C．非特异性免疫细胞刺激剂

D．MHC-Ⅱ类分子异常表达

E．眼晶状体隐蔽抗原释放

Who are Lisa and Tim ________?[ ]

A. talk to      

B. talking to    

C. talk      

D. talking