If task C must be completed before task A, and task A must be completed before task D, which of the following is a correct inference?

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Q: If task C must be completed before task A, and task A must be completed before task D, which of the following is a correct inference?

Solution: D can only start after both A and C are completed, making the inference correct.

Steps: 6

Step 1: Identify the tasks and their order. We have three tasks: C, A, and D.
Step 2: Understand the relationships: Task C must be completed before Task A. This means C comes first.
Step 3: Next, Task A must be completed before Task D. This means A comes before D.
Step 4: Combine the information: Since C must be done before A, and A must be done before D, we can say C -> A -> D.
Step 5: Determine when Task D can start: Task D can only start after both Task A and Task C are completed.
Step 6: Conclude that the inference is correct: D can only start after both A and C are completed.