A-A+ If I see the twin brothers apart I don't know_ 2022-08-01 22:47:39 问答库 阅读 167 次 问题详情 If I see the twin brothers apart I don"t know______.A．who is whoB．who is whomC．which is whichD．what is what 参考答案 正确答案：C解析：which is which 意思为“谁是谁/哪个是哪个”，无论是人还是物，这种说法都是固定的。
