“Mary is such a quiet child” said aunt Lydia “it makes me wonder what will become of her”

Which word could give the sentence a negative tone if I replace the word quiet?

1. Reserved.
2. Disciplined.
3. Sullen.
4. Calm.

3. Sullen.

The word that could give the sentence a negative tone if replaced for "quiet" is "sullen."

To determine which word could give the sentence a negative tone if replaced, we need to consider the context and meaning of the sentence. The sentence "Mary is such a quiet child" does not inherently have a negative tone. However, if we want to introduce a negative tone into the sentence by replacing the word "quiet," we should look for a word with a negative connotation.

Let's analyze the given options:

1. Reserved: This word suggests a restrained or introverted nature, but it does not necessarily carry a negative connotation. Therefore, this word may not give the sentence a negative tone.

2. Disciplined: This word implies self-control and adherence to rules, which may not necessarily indicate a negative trait. Therefore, this word may not give the sentence a negative tone either.

3. Sullen: This word suggests a gloomy or brooding disposition, which carries a negative connotation. By replacing "quiet" with "sullen," the sentence would have a negative tone.

4. Calm: This word denotes a state of tranquility or peace, but it does not inherently carry a negative connotation. Therefore, this word may not give the sentence a negative tone.

Based on this analysis, the word that would give the sentence a negative tone is option 3: sullen.