Correct Option: A

The given circuit:

Case 1: When current source is taken:

The net current in branch AB is 2A
Case 2: When voltage source is taken:

The net current in branch BC is 2/2 = 1A
Now, the total power consumed in the circuit:
= I²_ABR_AB + I²_BC × R_BC
= 2² × 2 + 1² × 2
= 10W.