only as he took the elevator back down did he pick up the note of faint scorn in the question
问题描述：
only as he took the elevator back down did he pick up the note of faint scorn in the question
这里的did提前有什么意思?怎么翻译这句
答
这里是因为ONLY 放在句首是倒装句,而这又是过去时态,所以要用did .翻译为：
当他做电梯回去时,才想起那问题里嘲讽的意思.