Which topic sentence best supports the following thesis statement? There are many ways for teenagers to develop their vocal skills.
A. Our school has several singing groups in addition to the main chorus.
B. Even if you don't think you have talent as a singer, a few techniques can help you improve your voice.
C. An understanding of rhythm and pitch can be taught as early as elementary school.
D. A personal voice coach is one good option for those who can afford it.