According to the conversation, which of the following is true?
Ayşe: I need to call the school to ask about the exam schedule. Do you have the number?
Mehmet: Yes, it's 0312 456 78 90. But you can also check the school's website.
Ayşe: Thanks. I'll call now. By the way, did you hear that the exam was postponed?
Mehmet: Really? I didn't. Let me check the messages on my phone.
A)Mehmet knows the exam date.
B)Ayşe will check the website first.
C)Mehmet learned the news from his phone.
D)Ayşe plans to call the school.