The sentence which best shows correct comma usage is " What would you like, Ken, for breakfast?" Option B is correct.
When we use vocatives in sentences, that is, names that are being addressed direcly, they must be separated with a comma or commas from the rest of the sentence.
In this particular case, the word Ken is between commas to be separated from the rest of the sentence. However, since vocatives tend to be at the beginning or end of a sentence, it should be semarated only by one comma.
Answer:
4) the president is also the commander in chief
hope this helps!
I would describe a monkey's paw as smooth and warm
