A thin cylindrical shell of diameter (d) and thickness (t) is subjected to an internal pressure (p). The ratio of longitudinal strain to volumetric strain is

• A. <img src="/_files/images/mechanical-engineering/strength-of-materials/119-384-1.png">
• B. <img src="/_files/images/mechanical-engineering/strength-of-materials/119-384-2.png">
• C. <img src="/_files/images/mechanical-engineering/strength-of-materials/119-384-3.png">
• D. <img src="/_files/images/mechanical-engineering/strength-of-materials/119-384-4.png">