Use reasoning to answer the following question.
It was finals week and students wanted to be left alone, one put a do not disturb paper sign out in the what?\nOptions:\n- store window\n- public place\n- doorway\n- shop window\n- hallway

hallway
Students live in a hostel and they have hallway.

When do not disturb boards are kept in hallway, every passerby can see it and hence the message is conveyed.

.

So, the answer is hallway