Answer:

She said that it was very quiet there.

Explanation:

Question:

She said,"It is very quiet here"

Answer:

She said that it was very quiet there.

As the given question is a statement,We follow the statement rules.

*"that" is added instead of comma and quotation.

*Present tense verb "is "changed into past tense verb "was".

*Adverb "here" is changed into "there"