Answer:
O A.As a detached observer
The author was a good doctor because even though he was told he would never be a surgeon, he threw away his fears and operated on Robin. After the operation, Robin was completely healed. Though the author was told he would never be a surgeon, he proved everyone wrong by throwing away his fears and worked hard.
A because external means what is happening outside of you while all the others are internal which is what happens inside us emotionally.
Answer:
Darry is hard on him but only because he wants the best from ponyboy and more. Sometimes he doesn't mean to do it intentionally and yells at him. That would really show why they don't get along.
Hope it helps and have a great day! =D
~sunshine~