There has been an controversy over the question of whether E-books will replace traditional books o

题目

There has been an controversy over the question of whether E-books will replace traditional books o
这句里 whether是什么从句,做什么成分?去掉前边的of不就变成question的同位语从句了吗?这样可以吗?

答案

whether在这里引导介词of的宾语从句,whether在从句中不充当任何成分.
也可以把of去掉,像你说的,就变成了question的同位语从句了.