Final answer:
To be eligible for Family and Medical Leave Act leave for a new child, an employee must have worked at least 1,250 hours in the preceding 12 months (option A).
Step-by-step explanation:
Under the Family and Medical Leave Act, an employee must have worked at least 1,250 hours during the 12 months prior to the start of leave to be eligible to take time off for family reasons, such as the care for a new child. This provision ensures that employees who have put in a significant amount of time with their employer can balance their work responsibilities with their family needs without fear of losing their job.
Hence, the answer is option A.