Select from:
(a). is demonstrating on a bicycle that is on an exercise platform and then walking in a court area..
(b). shows a new product called honing the arm strength..
(c). is talking while sitting in a reseed room and laying on black plastic sheets..
(d). is talking about fitness as he lays on his back to demonstrate crunches by doing actions with his arms..Choose from options above and answer: What most naturally follows?

There's a young man wearing a blue shirt and black hat demonstrating on a bed and talking about fitness. he
Answer:
(d).