If the Young's modulus 'E' is equal to bulk modulus 'K', then what is the value of the Posson's ratio ?

• A. <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/96-582-4.png">
• B. <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/95-577-4.png">
• C. <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/08-35-4.png">
• D. <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/15-1235-4.png">