Dialogue:

M: Why didn't you call me yesterday? I was waiting by the phone all day.

W: I'm sorry, I couldn't call. I couldn't find a phone.

M: What do you mean you couldn't call? You have a cell phone, don't you?

W: I used to have a cell phone. The teacher took it away because I tried to call you from class.

Question: Why didn't the woman call the man yesterday? 

- She lost her cellphone.

- Her cellphone was power off.

- Her teacher took her cellphone away.


Her teacher took her cellphone away.