Which of these factors MOST significantly contributed to the rise of contemporary gospel music's crossover appeal into mainstream culture during the late 1990s and early 2000s?

A The increased use of traditional spirituals and hymns in gospel performances. B The adoption of hip-hop and R&B production techniques and collaborations with secular artists. C A renewed focus on theological themes and doctrines in gospel lyrics. D Government funding and support for gospel music programs in schools.