I would say the answer is B and C.
A is not the answer because you would not find Mexican culture in Costa Rica. D is not the answer because Pan de Reyes is more of a Spanish (from Spain) dish.
Answer: buscaban
Explanation: it means they were looking for
Do you mean ponder? Ponder means to ask it means to ask a question
1 por favor and 2 disculpa if is to one person, to many would be disculpen