Final answer:
The meaning of a bona fide seniority system under Section 703(h) of Title VII of the Civil Rights Act of 1964 is that it must be reasonable, neutral, and free from intentional discrimination.
Step-by-step explanation:
Under Section 703(h) of Title VII of the Civil Rights Act of 1964, a bona fide seniority system must meet certain criteria to be considered lawful. A bona fide seniority system must have its basis be reasonable in light of industry practice, be neutral on its face, and have its origin free from intentional discrimination. Therefore, the correct answer is D) must have its basis be reasonable in light of industry practice.