Final answer:
The character is showing desperation and urging the other character to marry them, which is described as 'Beseching'.
Step-by-step explanation:
The passage "Well, couldn't you maybe think of some reason why you might? Laurey, please marry me.
I don't know what I'm gonna do if you don't." is an example of a character displaying a sense of urgency and desperation in persuading another character to marry them.
The correct answer to the question "Would you describe this plea as A) Incredulous B) Beseeching C) Indifferent D) Amused" would be B) Beseeching.
This is because the character is imploring or begging Laurey earnestly and desperately for marriage.