A) Different land types allowed colonists to export crops and other goods.
Explanation:
The Mid-Atlantic/Middle colonies were the ones that had the most natural resources and different climates and land types that allowed them to grow different kinds of crops and be able to export them, this capacity for agriculture was the main attractive that drove colonists and settlers into the colonies.
The middle colonies' economy developed rapidly because they had the perfect climate to grow tobacco which was always popular. There's even a type of tobacco called Virginia. They were also among the first places where people could dock when they reached the new world, so things like fishing were developed with harbors and docks everywhere.