单选题 Questions 1-5 are based on the following passage Passage 1 The Evolution of a Premium Sportswear Brand's Advertising Lumina, a prominent sportswear brand, once relied on entrenched advertising tactics—print catalogs distributed to elite customers and billboards splashed across stadiums. But as consumer tastes shifted, these methods became unproductive: younger buyers found the brand's image fuzzy, associating it more with outdated luxury than trendy athleticism. To reverse this, Lumina launched an advertising revolution, fundamentally rethinking its approach. The brand's savvy marketing team decided to straddle two worlds: preserving its prestige while appealing to Gen-Z. They intensified efforts to make campaigns transparent—sharing behind-the-scenes footage of product design and donating a portion of sales to youth sports. Their vision wasn't just to sell hoodies; it was to become synonymous with empowerment. Secondary goals, like boosting short-term sales, took a backseat to building long-term loyalty. This shift paid off. Social media exposure skyrocketed, and even a gigantic subsidiary of a rival brand copied Lumina's "authenticity-first" strategy. While the brand still faces scrutiny from critics who question its sincerity, consumer motivation to engage with its ads remains high—proving that bold, purpose-driven advertising can revitalize a struggling brand. Reading Comprehension Questions for Passage 1 1. What is the main idea of the passage