If only __ the violin in the middle of the night ,she'd be an ideal guest .
问题描述：
If only __ the violin in the middle of the night ,she'd be an ideal guest .
A played B would play C didn't play D wouldn't play
答
这题选C 原因 条件从句里的虚拟语气 这里是对现在事实的一个描述 所以用didnot 来表示现在时间的一个虚拟 从主句里用的would能看出来