Answer:
b) Janet has successfully combined introductory devices of questions to the audience, statistical information, and a personal reference.
Step-by-step explanation:
Janet used introductory devices of questions when she asked the audience if they or someone they know has ever tried to quit smoking. After, she proceeded to use a statistic to note that 20 percent of Americans have tried to quit multiple times. In order to relate to the audience, she used a personal reference. She had tried to quit multiple times, but this time finally managed to quit. She is giving people hope based on her own experiences.