15.Can you tell me A.who the machine invented B.who the machine invented by B C.who the mach
问题描述：
15.Can you tell me A.who the machine invented B.who the machine invented by B C.who the mach
答
不是很清楚你的问题,但是如果是我要说这样一句话,我会说：
Can you tell me whom the machine was invented by?
不知道这个会不会在你的选择里面,但是 A 肯定是不对的.