-Visible
-In sight
-Viewable
-Evident
-Detected
-conspicuous- obvious/easily see
The answer is C. Hope I helped!
Sometimes he whirled down the incline of a wave as if he were on a hand sled.
The man is clearly in a context of desperation or at least difficulty, stuck out at sea on a life preserver. The imagery brings one of a childlike delight or a fun situation. However that is contrary to the actual situation. The man clings to a life preserver, trying to survive, not have fun, but nature rolls on, indifferent to this man's plight.
Feeling of urgency is reflected in a sentence structure that is short in which the musing is immediate to the point. The sentence ought to be perused rapidly and that ensure that the message can be passed on unmistakably and that the peruser understands effectively.<span />