Select the most appropriate option to fill in the blank.

One of the children stood at the door to ______ if he saw the apparitor coming, who was an officer of the spiritual court.

give notice

The correct option to fill in the blank is give notice.

The word "notice" means to inform someone of something. In this case, the child is standing at the door to inform the others if he sees the apparitor coming.

The other options are not as appropriate. The word "advice" means to give someone guidance or counsel. The word "thought" means to consider something carefully. The word "hand" means to help someone with something.