What’s the possible problem if you buy a bike in this way？You might have to （）until the motor bike is available.

A．She’ll meet a friend.
B．She’ll take a flight.
C．She’ll attend an interview at 5 o’clock.
D．She’ll see a doctor before 5 o’clock.

A．Make an appointment with her.
B．Talk with her about a new order.
C．Send her an email about the shipment.
D．Call her back when receiving the shipment.