Final answer:
The sentence with the correctly placed comma is: Bananas, apples, and tomatoes are all fruit.
Step-by-step explanation:
The sentence with the correctly placed comma is: Bananas, apples, and tomatoes are all fruit.
In this sentence, the comma is correctly placed before the coordinating conjunction 'and' which separates the items in the list 'bananas, apples, and tomatoes'.
Incorrect options:
- Bananas, apples, and tomatoes, are all fruit. - Incorrect placement of comma after 'tomatoes'.
- O Bananas apples and tomatoes are all fruit. - Incorrect formatting and missing punctuation.
- Bananas apples, and tomatoes are all fruit. - Incorrect placement of comma before 'and'.
Learn more about Punctuation in English sentences