I agree with the other person ( sorry I’m not sure what their name is) I believe it’s A.
Answer:
Oxford Learners Dictionaries defines superstition as, 'the belief in view that particular events happen in ways that cannot be explained by reason or science; or that the belief that particular events brings good or bad luck for example breaking a mirror brings bad luck.
Explanation:
What do you think postmaster have done when he received lencho's second letter? According to me at a moment the postmaster felt very sad because he was expecting something totally different but he recieved something that he never have