[单选题]
A 3.0 $\Omega$ resistor is connected in parallel with a 6.0 $\Omega$ resistor. This combination is connected in series with a 4.0 $\Omega$ resistor. The resistors are connected to a 12-volt battery. How much power is dissipated in the 3.0 $\Omega$ resistor?
A. $2.7 \; W$
B. $5.3 \; W$
C. $6.0 \; W$
D. $12 \; W$
