The correct answer is OPTION 3 - A LITTLE

• little: Used to describe a small quantity or amount.
• the few: Used to refer to a small number of people or things.
• a little: Used to describe a small quantity or amount, often indicating a positive or favorable quality.

In this context, "a little" is the most appropriate adjective to describe the amount of information she was sharing about her life in Mexico. It suggests that she was providing some details, but not a complete or extensive account.