For the Circuit Shown in the Figure, Both Batteries Are $0.75 \mathrm {~A}$

Multiple Choice

For the circuit shown in the figure, both batteries are ideal. What current flows in the solid wire connecting the upper left and lower left corners of the circuit?

A) $0.75 \mathrm {~A}$
B) $0.50 \mathrm {~A}$
C) $1.0 \mathrm {~A}$
D) $0.25 \mathrm {~A}$