What do you think is the intended meaning of Sophie's invitation based on this scenario?
A. It was a real invitation, but she may have forgotten it.
B. It was not a real invitation, but it served as a hint to close the conversation before she left the party.
C. It was not a real invitation, but it functioned as a polite way to end the conversation.
D. It was not a real invitation, but English speakers understand what it means.