Out of the four sentences one is correctly punctuated. Select the correct sentence from the following:

The correct answer is Option C (Oh! What a tragedy !).

Key Points:
• This question tests punctuation rules in English, specifically for interjections and exclamatory phrases.
• Analyzing the sentence: "Oh! What a tragedy!"
• 'Oh!' is an interjection expressing emotion, followed by an exclamation mark (!).
• 'What a tragedy!' is an exclamatory phrase expressing sorrow or shock, which must also end with an exclamation mark (!).
• Evaluating options:
• Option 1 ends with a question mark (?) - incorrect.
• Option 2 ends with a period (.) - incorrect.
• Option 3 correctly uses exclamation marks: Oh! What a tragedy !
• Option 4 uses question marks - incorrect.
• Key Takeaway: Exclamatory interjections and sentences must end with an exclamation mark (!).