Your Mother Tells You, "Watching Ten Hours of TV Per

Your mother tells you, "Watching ten hours of TV per day will make you stupid." This is a positive statement because:

A) ​your mother says it with a positive tone in her voice.
B) ​it is your mother's opinion.
C) ​it is a proposition that can be tested.
D) ​your mother is only thinking of your best interest.