What is the proportion of adults between 18 and 30 years old with at most elementary school education? A large proportion of adults over 18 years ...

What is the proportion of adults between 18 and 30 years old with at most elementary school education?

A large proportion of adults over 18 years old have at most elementary school education.
The proportion of adults between 18 and 30 years old with at most elementary school education is decreasing.
The proportion of adults between 18 and 30 years old with at most elementary school education is increasing.
a) Only statement A is correct.
b) Only statement B is correct.
c) Only statement C is correct.
d) Statements A and B are correct.
e) Statements A and C are correct.