A. Hey, what's up?
B. Good afternoon, how can I help you?
C. Yo, how's it going?
D. Hi, what's new?
Answer: Good afternoon, how can I help you?
What is the best way to start a formal conversation?
Additional Information: In formal situations, polite and respectful greetings such as 'Good afternoon, how can I help you?' are preferred.
Subjects: Conversation Practice, Speaking Skills