In the Figure Here, the Equivalent Resistance Between Points a and B_,

Multiple Choice

In the figure here, the equivalent resistance between points A and B_, when a wire is connected between points C and D, is

A) 4.0 $\Omega$
B) 2.4 $\Omega$
C) 2.0 $\Omega$
D) 1.9 $\Omega$
E) 0 $\Omega$