Identify the sentence that uses punctuation correctly.
Athe mysterious stranger walked down the street, and up the block.
Bthe mysterious stranger walked down the street and up the block.
Cthe mysterious, stranger walked down the street and up the block.
Dthe mysterious stranger walked, down the street, and up the block.
Athe mysterious stranger walked down the street, and up the block.
Bthe mysterious stranger walked down the street and up the block.
Cthe mysterious, stranger walked down the street and up the block.
Dthe mysterious stranger walked, down the street, and up the block.