Answer:
C). He is overconfident about his ability to hike in the wilderness alone, which leads him to a senses of mistakes that become fatal for him.
Step-by-step explanation:
Jack London's 'To Build A Fire' relates the story of young boy(miner) who visits Yukon in search of gold but gradually we witness his/her overconfidence affects 'the decisions'.
As per the question, the statement that reflects the manner in which the man's personality affects the decisions is displayed through option C 'he is overconfident about his ability to hike in the wilderness alone, which leads him to a senses of mistakes that become fatal for him'. His excessive 'self-assurance' proves lethal for him. Thus, option C is the correct answer.