The capital city "Daidu," established by Kublai Khan, is situated at:

(B) Beijing

Daidu, also known as Khanbaliq, was the capital of the Yuan Dynasty under Kublai Khan. Today, it is known as Beijing, the capital of the People's Republic of China.

(A) Flowers

Anthophobia is the fear of flowers. People with this phobia may experience anxiety, panic attacks, or other symptoms when they are in the presence of flowers or even just thinking about them. Phobias are irrational fears that can cause significant distress, and they often require psychological or therapeutic intervention for management.