Difficulty: Easy
Correct Answer: had swallowed
Explanation:
Given data
Concept/ApproachIn reported speech with a past reporting verb (came, said), an action completed before that point takes the past perfect: "had swallowed."
Option analysishad swallowed — correct past perfect for a prior completed action. ✅has swallowed — present perfect; mismatches the past reporting frame.swallowed — simple past; ambiguous timing relative to the reporting.was swallowing — past continuous; indicates ongoing action, not completed ingestion.
Final Answerhad swallowed
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