AHSME 1968 Problem 29

Given the three numbers $x,y=x^x,z=x^{x^x}$ with $.9<x<1.0$. Arranged in order of increasing magnitude, they are: $\text{(A) } x,z,y \text{(B) } x,y,z \text{(C) } y,x,z \text{(D) } y,z,x \text{(E) } z,x,y$