In the adjacent circuit, the galvanometer G does not show any deflection. If $$R = 2\,\Omega$$, the current drawn from the cell is

A

$$1\,\mathrm{A}$$

B

$$9\,\mathrm{A}$$

C

$$4\,\mathrm{A}$$

D

$$\frac{9}{4}\,\mathrm{A}$$