When reading through the passage, its best to understand the concept while reading along the text. It's critical to focus on the material to understand and actively engage in the reading, by being aware of one's own thought process when reading. Make sure to visualize each main point of the story to show one's understanding of the theme or sequence of events in the story.
Because we know arsenals mean "an array of resources available for a certain purpose" so when you read that paragraph to play hockey you need skills as well as talent to make it to the NHL. So A. is the best choice.
