one of the men held the view()the book said was right

问题描述:

one of the men held the view()the book said was right
a.what that
b.that what
c.that wich
d.which that
填写that是不是因为先行词既有人也有物?
如果不是,

选b
填写that是因为引导定语从句 what the book said was right是一个完整的句子,引导句子用that