The total surface area of a hollow cuboid is 340 cm2. If the length and the breadth of the cuboid are 10 cm and 8 cm respectively, then what is the length of the longest stick that can be fitted inside the cuboid?

• A. \(3\sqrt {21\;} cm\)
• B. 21 cm
• C. \(4\sqrt {41} cm\)
• D. 10 cm