Letter choice B is your answer
Euphemisms are often used to imply something in their space. IE the phrase "he has kicked the bucket" is a euphemism for death. An oxymoron is a contradictory statement. IE "Jumbo shrimp" is an oxymoron because its a combo of something large with something we consider small.
The character in "The First Seven Years" who is described as unscrupulous is Miriam. She has no sound moral principles and is not honest about her feelings. She was not interested in Max but she chose not to tell him and still went on dates with him. Later, she tells her father she was bored with him.
The answer would be C.) an Historical allusion