The little girl said to her mother, “Did the sun rise in the East?”

The correct answer is B. The little girl asked her mother if the sun rose in the East.

The little girl used the interrogative word “did” in her sentence, which indicates that she is asking a question. The answer to her question is “yes,” the sun does rise in the East.

Option A is incorrect because the little girl did not state that the sun rose in the East. She asked her mother if it did.

Option C is incorrect because the little girl did not state that the sun rises in the East. She asked her mother if it did.

Option D is incorrect because the little girl did not ask her mother if the sun is in the East. She asked her mother if it rose in the East.