Choose the option that correctly changes the following sentence into the Indirect Speech.

My friend said, "How hot it is!"

My friend exclaimed how hot it was.

The correct option is "My friend exclaimed how hot it was."

The sentence "How hot it is!" is an exclamatory sentence, and when converted to indirect speech, it should retain the same meaning and sentiment. The option "My friend exclaimed how hot it was" accurately conveys the speaker's surprise and emphasis on the heat.