Answer:
A certain cool headed ness had come to him
Doggedly he swam in that direction, swimming with slow deliberate strokes conserving his strength
Explanation:
These show that he can stay calm and logical even when forced into stressful situations.
I would say answer A. It fits the best in my opinion.
The effect of the narrative description of Huck's father is of a man who is not looked after, who is poverty stricken and unkempt and with low self esteem and for example re his hair that was greasy and hung down ie was dirty and not combed shows this. Also, from the sounds of it he was lily white, what we might call someone 'white trash' white these days.
-200 -1.... I promise you this you will pass