This excerpt from annus mirabilis by john dryden speaks about london after it was ravaged by fire and plague. what is the central idea of the excerpt?

The correct answer for the question that is being presented above is this one: "b.London will once again thrive despite the calamities that befell it."

Here are the following choices:
a.The growth and development of the city will endanger the river.
b.London will once again thrive despite the calamities that befell it.
c.The queen will welcome suitors from all across the world.
d.The Thames River will be flooded and will cause disaster.