Which of the following most clearly represents alawfultermination of employment?

• (A)A daycare center fires one of its teachers for wearing a hijab to work.
• (B)A newspaper publisher fires one of its reporters after the reporter exposes discrimination within the publishing company.
• (C)A car salesman quits his job in June after signing a contract to work at the dealership until the end of the year.
• (D)A landscaping company fires an employee who habitually leaves work earlier than he's supposed to. The employee has to leave early to pick up his child from school.