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:
Sabes
Explanation:
Conoces means to know someone, sabes means to know something
-ai: Aire
-ei: Aceite
-oi: Oigo
-au: Audaz
-eu: Euforía
<u>Diptongo decreciente</u>: vocal fuerte + vocal débil
<h3><em><u>MissSpanish</u></em></h3>
1. A
2.D
3.C
4.C
5.C
6.B
7.A
8.B
9.A
10.B