LSAT-TEST practice

Q2 Single choice

A test that examines people on their memory capacity for spatial layouts has placed Jason in the top 1 percentile of all test-takers. We can conclude from this that his memory capacity for things that do not involve spatial layouts will be below average.
The conclusion follows logically if which one of the following is assumed?

A
Jason tried hard to remember spatial layouts.
B
Jason has a greater proclivity to remember spatial layouts than most people.
C
It is possible for Jason to improve, through practice and effort, his memory capacity for things that do
not involve spatial layouts.
D
The total memory capacity of the human brain is fixed and equal for all people.
E
Some people have a greater memory capacity than others.