Final answer:
The correct responses to 'mucho gusto' in Spanish are 'Igualmente' and 'El gusto es mío'.
Step-by-step explanation:
Mucho gusto is a commonly used Spanish phrase that translates to 'Nice to meet you' or 'Pleased to meet you'. When someone says 'mucho gusto' to you, there are several appropriate responses you can use. In this case, the correct responses to 'mucho gusto' are B. Igualmente (Likewise) and D. El gusto es mío (The pleasure is mine). A. Amigo (Friend) is not a correct response as it does not directly address the greeting. C. Encantado (Enchanted) is also not a correct response as it is more appropriate as a response to 'Encantado de conocerte' (Delighted to meet you).
Learn more about Spanish greetings