In ecuador, approximately 60 to 70 percent of school-aged children complete their primary education, which consists of mandatory years of schooling.
a. 3
b. 4
c. 5
d. 6

The correct answer is D.6 years. The compulsory primary school entrance is at 6 years old, and it it supposed to finish at 12 years old; the constitution attests that all children must attend school for at least 9 years without fees (ages 6-14), with 6 years of primary school, and an eventual secondary education (additional 6 years divided into two 3-year cycles).

What am i supposed to answer?