Final answer:
The most indicative example of Luther Vandross being respected by his peers is the release of several tribute CDs in his honor, showing artists' recognition and celebration of his influence in the industry. The correct answer is option: C) several tribute CDs were released in his honor.
Step-by-step explanation:
The example that best supports the idea that Luther Vandross is respected by his peers is that several tribute CDs were released in his honor. This indicates that other artists not only acknowledged Vandross's talent but also valued his impact on the music industry enough to create works to celebrate his legacy.
His ability to become the lead singer in a number of groups, having a successful career singing and writing jingles, and his successful solo debut with Never Too Much all speak to his personal success and talent. However, tributes from other artists are a direct reflection of the respect and admiration he earned from his contemporaries.