Nested fractions

Simplify rational expressions that contain rational expressions within their numerators or denominators.

Problem

Which expression is equivalent to start fraction, space, space, space, start fraction, 2, divided by, 3, end fraction, minus, start fraction, 2, divided by, x, end fraction, space, space, space, divided by, start fraction, x, minus, 3, divided by, x, end fraction, end fraction ?
Please choose from one of the following options.