Rewrite the expression 7ln(x)-ln(1+x)+ln(1-x) as the logarithm of a single quantity and simplify. Express numbers in exact form and use symbolic notation and fractions where needed. Which of the following options correctly represents the simplified expression?

A) ln((7x(1-x))/(1+x))
B) ln((7x(1+x))/(1-x))
C) ln((7x(1+x))/(1+x))
D) ln((7x(1-x))/(1-x))