Read the following passage and mark the letter A, B, C, or D to indicate the correct answer to each of the questions.

Lorna: I might retire early. I don’t know. I'm 55 and my husband retired last year. He spends most of his time in the garden. I’d really like to be there with him though I am not quite fond of the tasks. I'm definitely going to learn a new language. I hale going abroad and speaking English.

Cass: I’m only 26, so I’m not going to retire soon! In fact I want to have more chances to earn our living. Jamie and I are going to have a baby next year and we're really excited about that. We want to have a big family and live in a big house. Then, when I retire my children and grandchildren will all be able to stay.

Sue: Well, Roger and I don't agree about retiring. I love work and I don't want to retire! I know I won’t have anything to do.

Roger: I asked my boss at work recently and I might be able to retire next year. I might buy a house in France and spend the time that my family deserved to have with me long before. I'd love to have my first long-awaited visit to Paris with my wife one day.

Linda: I want to retire as soon as possible. I have three sons and now I don’t even have time to play with them. They will become mature very soon and don’t want to spend quality time with me. I can't stand the thought.

The word “mature” in the passage is closest in meaning to ____.

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