Have you ever seen a giraffe at the zoo? Giraffes are the
tallest animals in the world. The average height of a giraffe

is 16-18 feet tall. This animal has a very long neck and legs.
Giraffes eat the leaves from tall trees. Other animals cannot
reach that high. Male giraffes are even taller than female
giraffes.
What is the main idea of the passage?
a. Giraffes are extremely tall animals.
b. Giraffes don't sleep very much.
c. Giraffes are unique animals,
d. Giraffes eat leaves.