What is the difference between mature writing and immature writing

Mature writing uses broader vocabulary, while immature writing is very descriptive, and often longer.

Explanation:

Mature writing example:

It was obvious that the boy was struggling emotionally.

Immature writing example:

The boy looked very sad, he was crying, and he didn't talk much.

They both get the same point across, but the 1st one sounds way better than the 2nd.

he correct answer is choice c. promoters of ufc events were eager to work with state athletic commissions, without public pressure being a necessary inducement.