Hello.
The answer is: Number
The pronoun must agree with its antecedent in number. Rule: A singular pronoun must replace a singularnoun; a plural pronoun must replace a plural noun. A pronoun should agree with its antecedent in person, number, and gender. Person refers to the quality of being, number distinguishes between singular and plural.
Have a nice day
The correct option is this: Young children are not allowed to borrow books on their own.
From the above excerpt, we can see that the writer is a young child who loves to read. Mrs Long usually ask her the books she desires to read and when she mentioned them, Mrs long will go to the town library, to get the books for her.
Mrs Long has to do this because children are not giving the privilege of borrowing books.
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Edgar Allan Poe, Nathaniel Hawthorn, and H.P. Lovecrafter
I believe its c. Decrease Indent.