[单选题]
Four resistors of 12j:u pgv:wa 5a -gook67, ; 2:)ue a bu,jkzt*mz(xh9zt m3.0, 5.0, and 4.0 $\Omega$ are connected in series. A 12-V battery is connected to the combination. What is the current through the battery?
A. $0.50 \; A$
B. $1.0 \; A$
C. $1.5 \; A$
D. $2.0 \; A$