Select from options: Continue writing the next sentence.

A man is sitting on a rock by a fast flowing river. Another man sails past him in a raft trying to keep up with the strong current and waves. there

Available options:
(a). is a man wearing green who helps the man keep up.;
(b). are many other people alongside him who are also struggling to keep up one another in the rapids.;
(c). are several other people sitting on the rocks watching the rafter go by.;
(d). is a boat parked near them.;
Answer:
(c).