Answer:
B. Mit einem MP3-Spieler kann ich Musik hören.
Explanation:
In translation: Using an MP3 player I can listen to music.
The remaining choices involve tasks that are not possible to do using an MP3 player.
a be attracted to one another
fight
begin
to become involved
be interested
prevail
I feel bad lol XD :p have fun wit that ;p
Auf Wiedersehen is the most accepted and formal translation. Bye, which is a informal, would translate to Tschuss.
Hope it helped,
BioTeacher101