Sean stared at his door all night. He was scared that he might see it doing what?\nOptions:\n- wall\n- window\n- opening\n- closet\n- exit Let's think step by step:
User
Opening means to move a door or window so as to leave a space allowing access and vision. Sean stared at his door all night. He was scared that he might see it opening. So, the answer is opening.
Assistant