In 988, Prince Vladimir Sent Ambassadors to Constantinople

In 988, Prince Vladimir sent ambassadors to Constantinople. On entering the church of the Hagia Sophia, what was their experience?

A) They were so amazed at the architecture that they made copies to reproduce it in Kiev
B) They reported that they wanted to live on the church grounds for the rest of their lives
C) They reported that they did not know whether they were still on earth or had entered heaven
D) They found themselves so dizzy that they had to leave the church for a while, only to return and become dizzy again