32. What was Petra known for during its prime?
(A) Being a military fortress
(B) Serving as a major trading center
(C) Being a religious pilgrimage site
(D) Serving as a royal residence
(E) All of the above
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統計: A(1), B(12), C(0), D(1), E(3) #3229441
統計: A(1), B(12), C(0), D(1), E(3) #3229441