Answer: Choice D
Law of detachment
================================================
Step-by-step explanation:
The law of detachment takes on the following format:
- Premise 1: If P, then Q
- Premise 2: Statement P is true
- Conclusion: Statement Q is true
Think of it like a chain of dominoes. Statement P leads to statement Q.
In this case, statement P is "It is Saturday" while statement Q is "Nina's family rents movies"