For this question, I would say the selection's main pattern of organization is c. contrast. This can be proven true with context words/phrases. The phrase<em> on the other hand</em> is a common transition word when contrasting two mediums.
The answer is the last one, D. All of the other transitions indicate that the writer will either go into further detail on the subject or list other reasons as to why this would be correct. However, D clearly uses a contrasting transition to introduce a new argument.
I dont like your spelling but its ok we all have days like that :)
<span><span><span><span>What
I learned:I
learned that approximately one in six adults over the age of 18 suffers from
panic disorders brought on by attacks of fear. Just by being afraid, other
bodily functions change, experiencing fear of merely perceiving it in others
improved peoples attention and brain skills.
</span>
<span>
What
I know: I
already knew that the fear hot spot is the amygdala, an almond shaped, very
frightened people can withstand more pain than those hot experiencing fear.
</span>
<span>
What
I want to know more about: I
would like to know more about the brain and why people become afraid.
</span>
</span>
</span></span>