其它
Happy Hotel is offering $$40 \textbackslash\%$$ off discount for any bookings. David booked a room, the new price is $$80$$ dollars cheaper than the original price, the original price is~\uline{~~~~~~~~~~}~. 
Overseas Competition->Knowledge Point->Calculation Modules
$$80\div40\textbackslash\%=200$$．  so choose $$\text{B}$$． 