Adjective clauses usually start with the words: that, when, where, who, whom,whose, which, and why. also it's function as an adjective answers the questions "what kind?", "how many?" or "which one?"
SO the answer is A, because it uses the word which, and answers the question "which one?"
Answer:
For him , freedom had different meanings at different stages.
<h3>As a boy-</h3>
freedom meant to be able to run freely in the fields and to swim in the stream according to his will.
<h3>As a student- </h3>
freedom meant to stay out at nights, read whatever pleased him or go wherever he wanted
<h3>As young man - </h3>
the basis and honorable freedoms were-achieving his potential, earning his keep, marrying and having a family. These freedoms were more important for him when we was a young man
"I swear she cast a shadow white as stone." "As" is the key word here, it signifies an explicit comparison.
They are called unabridged!! hope that i helped :D