I don't know, but this site has an answer.
http://quizlet.com/57131712/spanish-u6-l3-comer-y-beber-flash-cards/
Check your text to be sure.
Which is the most common rice dish in the Spanish speaking countries?
A. arroz con leche
B. arroz con pollo
C. arroz bianco
D.quesó
2 answers
I think it's C (arroz bianco).