No one but his parts _ it.为什么选knows 不用know

个语法现象叫主谓一致
当主语有with,together with,like,except,but,no less than,as well as 等词组成的短语时,谓语动词与前面的主语部分一致.例如：
The teacher together with some students is visiting the factory.教师和一些学生在参观工厂.
He as well as I wants to go boating.他和我想去划船.
所以你这题真正的主语是No one 是第三人称单数 所以要选B No one 才是真正的主语

此题考察的是主谓一致，but后的动词要与主语的单复数保持一致

选项呢.. 看看人家问的什么。 now, today, or something similar（that 引导的同位语从句。that he was a great artist. 做it的同位语。）