[单选题]
A combination of 2.0w k ; 4ftm+dp 0tumsq77/oldx5g gbhmiebs w;ol;:.h1o1 qw, xy0 *(zo $\Omega$ resistor connected in series with 4.0 $\Omega$ resistor is connected in parallel with a 3.0 $\Omega$ resistor. What is the equivalent resistance?
A. $2.0 \; \Omega$
B. $3.0 \; \Omega$
C. $4.0 \; \Omega$
D. $9.0 \; \Omega$