It depends on which word is underlined. If the underlined pronoun is his, then the antecedent is boy. If the underlined word is he, the antecedent is also boy. If the underlined word is it, the antecedent is B. date.
The correct answer should be infinitive.
The most basic verb form as seen in dictionaries are the infinitive verb forms.
III. hasty generalization
A syllogistic fallacy is more of a generalization than it is a sequence or analogy. This error of reasoning occurs by first mentioning something broad/general then proceeds to make a conclusion about something that is very specific by means of generalizing. For example, this would be considered fallacy of syllogism:
All jets are air crafts. All propeller airplanes are air crafts. Therefore, propeller airplanes are jets.
Thus, you can see how a generalization is made about propeller airplanes being jets because they are both air crafts.
It makes it more difficult to survive in the Yukon because he isn’t familiar with his surroundings because he is a newcomer.