A physical quantity `x` depends on quantities `y and z` as follows : ` x = Ay + B tan ( C z)`, where `A , B and C` are constants. Which of the followings do not have the same dimensions?
A. `x` and `b`
B. `C` and `z^(-1)`
C. `y` and `B//A`
D. `x` and `A`