Answer:
A. Life is a cycle of death and rebirth in which a person can be reborn into a higher caste if he leads a good life.
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B - rading about the remains of an ancient statue.
While both A and C are very romantic, both would take ages for a professional working archaeologist to dig up anything useful in a reasonable amount of time. The most effective thing that he can do is read primary sources and based on those decide where a temple stood.