Correct Answer: He started laughing.
Subject: 2025
Explanation: <b>Key Fact</b><br>“He started laughing.” is the marked translation.<br><br><b>Additional Info</b><br>Topic: Translation. The correct option is <b>C</b> — He started laughing.<br><br><b>Why the other options are wrong</b><br><b>Option A</b>: He laughs. — not the option marked correct for this question.<br><b>Option B</b>: He has started to laugh. — not the option marked correct for this question.<br><b>Option D</b>: He laughed. — not the option marked correct for this question.<br><br><b>Exam Trick</b><br>Identify the exact concept tested, then eliminate options that contradict the definition, formula, chronology or fact in the question.<br><br><b>Final Answer</b><br>Option C — He started laughing.