How does the Emperor Qianlong treat Great Britain's for an exchange of ambassadors?
replies that he will entertain the idea but not ratify any treaty until after he has consulted with his imperial ministers
B: He replies that he is bound a treaty with the Portuguese not to enter into diplomatic relations with Portugal's enemy Great Britain
C: He replies that the idea is not only against custom but impractical
D: He replies affirmatively, as he is eager for an exchange of goods and technologies with the powerful British empire.