Answer:
En la habitación, también había un secador de pelo montado en la pared.
Step-by-step explanation:
The excerpt is describing a hotel room's commodities and comparing them between the USA and Spain. All of the options could make sense, but the one that makes more sense following the paragraph is the one saying there was a hair dryer on the wall inside the room, since they are still describing the hotel room while the others are jumping to other parts of the hotel.