In which sentence is the comma correctly placed? No I don't think that's right., No I, don't think that's right, No., I don't think that's right., None of these
In which sentence is the comma correctly placed? No I don't think that's right., No I, don't think that's right, No., I don't think that's right., None of these
Explanation
The comma is placed after "No" to separate the interjection from the rest of the sentence.
This correctly follows the rule of placing commas after introductory words or interjections.