Which are the four states of Rajasthan which together (jointly) formed the Matsya Union?

• A. Alwar, Dholpur, Bharatpur, Kota
• B. Alwar, Dholpur, Bharatpur, Karauli
• C. Alwar, Karauli, Bharatpur, Jaipur
• D. Bharatpur, Jaipur, Karauli, Dholpur