Which one of the following cases is least likely to involve sex discrimination, as it is described in the passage? A. An employer hires a man rather than an equally qualified woman. B. A woman chooses to enter a high-paying occupation that uses her talent and ability. C. A woman chooses an occupation that is already dominated by women. D. A woman chooses a low-paying job that allows her to devote more time to her family. E. A woman chooses to avoid the pressure of being in an occupation not considered "suitable" for women.