The parameters of the Thevenin’s equivalent circuit for the network shown below are

• A. RTH = 3.75 Ω; VTH = 62.5 V
• B. RTH = 25 Ω; VTH = 50 V
• C. RTH = 6 Ω; VTH = 70 V
• D. RTH = 6 Ω; VTH = 50 V