Final answer:
Perseverance is the determination needed to accomplish a difficult goal (option a) . It is the trait that drives a person to keep trying until they succeed, even when faced with obstacles or challenges.
Step-by-step explanation:
The best definition for perseverance is: The determination needed to accomplish a difficult goal. It is the trait that drives a person to keep trying until they succeed, even when faced with obstacles or challenges.
This can be seen in real-life examples such as Thomas Edison, who failed multiple times before successfully inventing the electric light bulb. His perseverance to keep trying and not give up led to one of the most important inventions in history.
Therefore, perseverance can be understood as a combination of determination, resilience, and a refusal to quit in the face of difficulties.