8. sınıf ingilizce 1. dönem 2. yazılı 3. senaryo test 2

Hello, this is Mary. I'm calling to ask about the English project. I tried to reach you earlier, but your line was busy. Could you please call me back when you have a moment? My number is 555-1234. Thanks! What does "your line was busy" mean in this context?

A) The phone was disconnected.
B) Someone else was talking on the phone.
C) The phone was out of battery.
D) Mary couldn't hear the ringing.