單選題

Dora: Where can I get that novel? David: I just ordered it online. Dora: ____________ David: Anyone can! It's so easy to use online bookstores nowadays.

 (A) I'm amazed you can do that.

 (B) How's the store's service quality?

 (C) It's actually about storytelling.

 (D) The system has a virus, doesn't it?