Final answer:
The correct response to 'mucho gusto' is 'Igualmente'.
Step-by-step explanation:
The correct response to mucho gusto is C. Igualmente. The phrase mucho gusto is a Spanish expression used to express pleasure or delight in meeting someone. It is often used as a response to someone saying mucho gusto to you. The phrase Igualmente is the equivalent of saying 'likewise' or 'same here' in English, and it is the appropriate response to mucho gusto.
Learn more about Spanish greetings