DIRECTION: Read the following statements carefully and answer the questions accordingly. Assertion [A]: Promotion of agriculture was the greatest achievement of Firoz Shah Tughlaq's reign. Reason [R]: Iqtas were assigned on hereditary basis to the military and civil officers during Firoz Shah's reign.

• A.  Both A and R are true and R correctly explains A.
• B.  Both A and R are true but R does not explain A.
• C.  A is true but R is false.
• D.  A is false but R is true.