Here's a problem to solve: A glass of water at 110°F is placed in a room next to a glass of water that is 50°F. The temperature of the room is 73°F at all times. If the two glasses were left in the room overnight, the temperature for both glasses of water the next day would be approximately

Among the 4 following options, which is the correct answer?

- A: 43°F.
 
- B: 50°F.
 
- C: 73°F.
 
- D: 90°F.
 