问题
选择题
I into robots and used to make mobile phones as well as help with medical operations.
A．have put
B．have been put
C．had put
D．had been put
答案
答案：B
考查时态。句意：我被放入机器人不但用来制作手机还用来帮做做医疗手术。可知本句描述已经完成的动作，我是put into的动作对象，故选B。