Which one of the following statements about Allahabad Prashasti is correct ?

• A. It clearly presents the Gupta empire as the epicenter of a complex web of varied political relationships
• B. Line 15 of it refers to the capturing a king of the Kota family
• C. Line 23 refers to Samudragupta violently exterminating a number of kings of Aryavarta
• D. Line 20 refers to rulers offering tribute, obeying the orders of the Gupta King