50. A: Hey Sarah, are you busy right now? The printer in the lobby is jammed again.B: I'm finishing an email, but I'll be done in a minute. _______A: Thanks! I've tried everything but the paper is stuck inside. (複選)(A) Give me a second, and I'll be right there to help.(B) I don't know how to use the coffee machine either.(C) You should probably just buy a new printer.(D) I'll come over and take a look shortly.