In the cartoon what is the significance of the family and the wall labeled "literacy test"?

A)
The literacy test is the wall. An insouramountable barrier to a family of immigrants.
B)
The wall, literacy test, and military were combined to
keep immigrants from entering the United States.
C)
If immigrants could pass the literacy test, they still had to find a way to overcome the wall blocking their
freedom.
D)
The wall represents a literal wall that was built around the eastern coast of the United States in an effort to keep immigrants out.