For this case, what we are going to do is consider breakfast as the main meal.
We consider it as the main food because it is the first meal of the day. It is the food that gives energy to start the day.
The schedule for breakfast is normally in the morning between 6 a.m. and 8 a.m.
Answer:
the main meal usually served in Spanish speaking countries is at:
A. 6:00am to 8:00am