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

"What is Sonia saying?" said Rohit.

Rohit asked what Sonia was saying.

The correct option is: Rohit asked what Sonia was saying.

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

• Rohit asked that what was Sonia saying. - This sentence repeats the word "that" twice, which is grammatically incorrect.
• Rohit asked what is Sonia saying. - This sentence does not change the present tense to the past tense for the auxiliary verb "is."