1. We understand from the passage that the construction of the Stonehenge —-.
(A) began 135 miles away from Salisbury
(B) is thought to have taken place in more than one stage
(C) was first documented by the Mycenaeans
(D) is not a mystery that needs to be solved
2. It is pointed out in the reading that the Stonehenge —-.
(A) was built by the Mycenaeans, who were very advanced in geometry
(B) probably has religious origins, possibly for worship of the sun
(C) had no astrological purposes
(D) was erected thousands of years ago in West Wales
3. According to the passage, there is no certainty about —
(A) where the Stonehenge was built
(B) what kind of stones were used in the construction of the Stonehenge
(C) how to calculate the exact time of Midsummer and Midwinter and of
(D) how the stones used in the construction of the Stonehenge were