Jennifer is running in a track meet
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?"
"Parmindar put up a brave fight", Karan said.
Your answer is that it focused on personal “reality” rather than objective reality.
They will escape on a boat heading for Europe