Hablan Uds. inglés en la clase de español?

Do you speak English in Spanish class?

Im a fluent spanish speaker and your correct answer is C, because your question is asking multiple people.

Question:

Hablan Uds. inglés en la clase de español?

Answer:

No, hablamos español.

Step-by-step solution:

Because the word "hablan" in the sentence is talking about more than one person. So the answer would be C. Hablamos.

Glad to help ya!! :)