Answer:
b. I had experienced the joy of knowing Jesus Christ in a personal way.
c. I would become a missionary too.
Step-by-step explanation:
The best topic sentence is b. because it introduces the idea of the author's personal experience with Jesus Christ, which is the focus of the paragraph. The best clincher sentence is c. because it reaffirms the author's purpose for writing: to share his experiences with others in order to spread Christianity.