Final answer:
On the Syfy show 'Alphas', the team with superhuman abilities is led by Dr. Lee Rosen, a neurologist and psychiatrist specializing in patients with extraordinary cognitive abilities. Option a
Step-by-step explanation:
The leader of the team with superhuman abilities on the Syfy show Alphas is a) Dr. Lee Rosen. He is a preeminent neurologist and psychiatrist with a long history of working with patients who have extraordinary cognitive abilities, referred to in the show as 'Alphas'.
Unlike the other options provided - Dr. Charles Xavier (a character from the X-Men comics and films), Dr. Peter Venkman (a character from the Ghostbusters franchise), and Dr. Walter Bishop (a character from the television show Fringe) - Dr. Lee Rosen is the correct answer in the context of the Syfy television series Alphas. Option a