C83 Coincidence!

"Yifan, Yifan, I finally got through to you! Have you vanished off the face of the earth? Your phone was either off or busy. What have you been up to that I couldn't reach you?" As soon as the call connected, Tang Anan's voice came through like a barrage of fireworks.

"I was just busy with something, so I couldn't answer. What's up? Did something happen?" Yifan asked, puzzled