I would say A if it’s not A then it is D
She loves novels; she would like to read more of them. Or you could say, She loves novels, so she would like to read more of them.
Indulgences could be related to sin by what you indulge in and if it is against what your religion believes in
The correct answer is A. "Simple enough; but this trade up and down the Atlantic coast was part of a much larger world system."
In this passage, the author is trying to explain how the world trade system worked in the 18th century. He starts with a small, local example to then expand the ne across the globe.