Answer: D - Puritans wanted to purify the church of England (from within) while the Pilgrims wanted to separate from the church of England entirely.
Explanation: See https://www.history.com/news/pilgrims-puritans-differences:
"The biggest difference between the Separatists and the Puritans is that the Puritans believed they could live out the congregational way in their local churches without abandoning the larger Church of England."
