Read the passage.
From “On Making an Agreeable Marriage” by Jane Austen Oh! dear Fanny, Your mistake has been one that thousands of women fall into. He was the first young Man who attached himself to you. That was the charm, & most powerful it is.

In this passage, what is the reason Austen offers to explain why Fanny had mistakenly thought she was in love with the young man?

Fanny mistook the man’s charm for a powerful attachment to her.

The man was the first powerful and charming young man among the thousands Fanny had met.

The man was the first to court her, and she mistook the excitement of the novelty for love.

Thousands of other women were also interested in the same man.