[单选题]
Three resistors of 12, 123 6uj/a:tutjez +fp /g87gr qsta)o;m, and 6.0 $\Omega$ are connected in series. A 12-V battery is connected to the combination. What is the current through the battery?
A. $0.10 \; A$
B. $0.20 \; A$
C. $0.30 \; A$
D. $0.40 \; A$
