The correct answer is D. It is a reference to the poets deceased father.
The adverb clause here is <span>"since the sun came out" - it gives some information about the timing of the event.
It modifies "feels" (actually I would say that it modifies the phase "feels warmer") - this "feeling" happens since the sun came out, that's when it started!</span>
This is a fragment, friend.
Answer: The young seagull was very hungry. His mother had a piece of fish in her beak and she was teasing the young seagull with it. Because the sight of the food "maddened" him, he wanted to snatch it from his mother. The young seagull dove towards the food not realizing that he was already flying. This hunger compelled him to finally take his first flight. What a sight to see for the mother seagull!
Explanation: there
