Answer: Works a lot.
Explanation: We need to see what the dad of the Rosario family does, and the information that we have is the text prior to the question:
A rough translation of the text is:
"This is the Rosario Family. The mom is very nice. The dad works a lot. Nancy cleans the house, and Pablo helps his mom. They all are happy"
So the right answer is the second one; The Dad works a lot.