As per I.S. 1904-1986 the permissible angular distortion with respect to steel sructures in isolated foundations resting on plastic clay is

• A. <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/59-931-1.png">
• B. <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/59-931-2.png">
• C. <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/59-931-3.png">
• D. <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/59-931-4.png">