My father bought me _____ mp3, but I lost _____ mp3 yesterday.

  A. an, the       B. an, an      C. the, the     D. the, an

My father bought me _____ mp3, but I lost _____ mp3 yesterday.

  A. an, the       B. an, an      C. the, the     D. the, an

 My father bought me _____ mp3, but I lost _____ mp3 yesterday.

  A. an, the       B. an, an      C. the, the     D. the, an