Answer:
The answer is B. personality traits; situational constraints.
Step-by-step explanation:
What this means is we tend to attribute other people's outcomes as directly related to their personalities. In a soccer competition, for example, if the opposite team loses we probably will assume it's due to their lack of skills.
On the other hand, we suppose our own behaviour is due to environmental or situational causes. If we fail an exam, we'll likely think it happened because lack of time to study.