Select the option that expresses the given sentence in indirect speech.

She said, "The stars are shining brightly tonight."

She said that the stars were shining brightly that night. 

The correct option is: She said that the stars were shining brightly that night.

The other options are incorrect because they do not follow these rules:

• She said the stars are shining brightly tonight. - This sentence does not change the present tense to the past tense for the auxiliary verb "are."
• She said the stars were shining brightly tonight. - This sentence does not change the demonstrative pronoun "tonight" to "that night."
• She asked if the stars were shining brightly that night. - This sentence changes the declarative statement to a question.