Which statement is true about the function f(x) = -√x?
A. It has the same domain and range as the function f(x) = √x.
B. It has the same range but not the same domain as the function f(x) = √x.
C. It has the same domain and range as the function f(x) = -√-x.
D. It has the same range but not the same domain as the function f(x) = -√-x.