Total surface area of a cube whose side is 0.5 cm is :

• A. $\frac{1}{4}{\text{ c}}{{\text{m}}^2}$$
• B. $\frac{1}{8}{\text{ c}}{{\text{m}}^2}$$
• C. $\frac{3}{4}{\text{ c}}{{\text{m}}^2}$$
• D. $\frac{3}{2}{\text{ c}}{{\text{m}}^2}$$