다음 밑줄 친 부분 중 어법상 옳지 않은 것을 고르세요.
ⓐ Are you interested in listening to music on your cell phone? You can download MP3 files from the Internet. They ⓑ sent from a computer to your cell phone. The MP3 files ⓒ are stored on a memory card. They can ⓓ be erased, too. You can ⓔ listen to music anywhere with your cell phone.