Which of the following is a milestone in oral language development?

Responding to questions with "yes" or "no" is a significant milestone in oral language development because it demonstrates a child's ability to understand verbal communication and engage in conversation. This response indicates that the child has grasped the concept of affirmation and negation, allowing them to express their thoughts and feelings effectively. It marks the development of basic language comprehension and the ability to participate in dialogues, which are crucial for further language acquisition and social interaction.

The other options represent activities that do not primarily indicate milestones in oral language development. Reading silently pertains more to literacy skills, writing detailed essays relates to advanced writing abilities, and listening to music, while it can enhance vocabulary and phonemic awareness, does not directly reflect oral language production or interaction.