Which of the following group contains solid compounds at $$10^\circ\mathrm{C}$$?

A

$$\mathrm{H_2}$$O, $$\mathrm{NH_3}$$, $$\mathrm{CH_4}$$

B

$$\mathrm{F_2}$$, $$\mathrm{Cl_2}$$, $$\mathrm{Br_2}$$

C

$$\mathrm{SO_3}$$, $$\mathrm{I_2}$$, $$\mathrm{NaCl}$$

D

Si, $$\mathrm{S_8}$$, $$\mathrm{CH_3COCH_3}$$