1-C. According to paragraph (1,) Bell Laboratories' phonograph could reproduce sound more realistically than Thomas Edison's.According to paragraph (1,) Bell Laboratories' phonograph could reproduce sound more realistically than Thomas Edison's.
2-C. (1) In 1877, Thomas Edison invented the phonograph, a new device that could record and play back sound.(1) In 1877, Thomas Edison invented the phonograph, a new device that could record and play back sound.