The inequality $$\log_{a} f(x)<\log_{a} g(x)$$ implies that

A

f(x) > g(x) > 0 for 0 < a < 1 and g(x) > f(x) > 0 for a > 1

B

g(x) > f(x) > 0 for 0 < a < 1 and f(x) > g(x) > 0 for a > 1

C

f(x) > g(x) > 0 for a > 0

D

g(x) > f(x) > 0 for a > 0