Answer: B) It contains specific, credible evidence but uses a disrespectful tone that should be revised.
Explanation: an argument or claim is a statement assertion that something is true. In the given excerpt we can see an argument that states that parents should allow teens to own smartphones, it presents specific, credible evidence, for example statistics like "Dr. Meryl Ain notes that nearly 8 out of 10 teens own a cell phone and 37 percent own a smartphone. More than 70 percent of students who own one use apps for learning and studying" but it uses a disrespectful tone that should be revised, for example: "To not do so is just dumb in this day and age" and "Their parents obviously don't truly care about their education."
