just curious ... what course is this? ... what text? ... are the answers correct?
is someone having a laugh at others' expense?
I'm sorry, but without any context or additional information, I am unable to determine the question that corresponds to these answers: 1.B, 2.A, 3.A, 4.B. If you could please provide more details or provide the corresponding questions, I would be happy to help you understand the concepts or provide explanations for the answers.
This is blatant cheating. The message should be deleted, and you might get banned.