I believe that the answer to this question is A. loss of innocence.
A sentence fragment means a part of a sentence, that is, something that cannot function independently as a sentence.
the correct answer here is "<span> When we stopped by the garden" - option C - it needs more information, information of what happened when we stopped by the garden</span>
It makes sense; but there are two phrases there that could be divided to make the sentence flow better.
“I am not happy with myself, nor will I ever be.”
Answer:
the activity process of reasoning