Final answer:
The correct answer cannot be provided due to the inability to access the audio content referenced in the question, which is necessary to determine Carlos's morning activity.
Step-by-step explanation:
Without having access to the audio mentioned in the question, it is impossible to determine the correct answer regarding Carlos's morning activity. However, the subject of this question involves listening comprehension, which is part of learning a language, specifically English. Aspects such as reading questions and choosing the correct answer based on provided audio clues are essential in language acquisition and are standard practice in language learning platforms and assessments.