B it is the most reasonable answer <span />
Answer:
I believe it is the replication fork. so B
Explanation:
I haven't done this section in quite some time. this was biology for me, and I'm in chem right now. so I hope that's right. I hope I could help you :)
It would be that the cornea is not curved enough, thus not allowing the pupil to expand to perceive further distances clearly. :)
Surface runoff, its quite obvious in the picture