A wire of length 25 m and cross-sectional area 5 mm$$^2$$ having resistivity of $$2 \times 10^{-6}\,\Omega$$ m is bent into a complete circle. The resistance between diametrically opposite points will be

A

$$12.5\,\Omega$$

B

$$50\,\Omega$$

C

$$100\,\Omega$$

D

$$25\,\Omega$$