A solid hemisphere has radius 14 cm. It is melted to form a cylinder such that the ratio of its curved surface area and total surface area is 2 : 3. What is the radius (in cm) of its base?

• A. \(\frac{{10}}{{\sqrt[3]{3}}}\)
• B. \(\frac{{14}}{{\sqrt[3]{3}}}\)
• C. \(\frac{7}{{\sqrt[3]{3}}}\)
• D. \(\frac{{21}}{{\sqrt[3]{3}}}\)