The word 'ponder' mean thinking about a certain thing carefully, even if it took a lot of time to do it. This word is often used in a situation when someone trying to find an answer in an unfamiliar situation. Because of this, it think the word 'question' has a similar meaning with ponder.
b. Statistics about the number of people executed and then found to be innocent
Explanation:
Option B is correct because providing the statistics about the number of people executed and found to be innocent gives more evidence about capital punishment.
Statistical evidence utilizes numbers and available facts to compare and contrast a particular subject matter. Therefore, Jeff will have to provide statistics about the number of people executed and then found to be innocent.