What type of reasoning is used in the following argument?

There is every reason to believe that the concussion crisis in NFL football will get worse.
The speed and size of professional athletes have made American football more
dangerous.

Offensive linemen now average nearly 315 pounds—65 more pounds than
they did 30 years ago. They launch that weight from a three-point stance, headfirst, at
opposing linemen of nearly the same size. The impact of two such massive players
produces a concussion in the cranium when the brain bangs against the skull. Professor of
Neurology at Boston University, Dr. Ann McKee, notes, "when helmets clash, the head
decelerates instantly, yet the brain continues to lurch forward, like a driver who jams the
brakes on. Even though the skull is protected by a helmet, the brain itself is still in motion
and a concussion is often the result."
(a) Argument from dilemma.
(b) Argument from authority.
(c) Argument from cause.
(d) Argument from generalization.

C