Which of the following principles were enumerated by R.A. Fisher as the principles of experimental research design?(i) Principle of Local Control(ii) Principle of Matching(iii) Principle of Randomization(iv) Principle of ReplicationSelect the correct answer by using codes given below:Codes:

• A. (i), (ii), (iii)
• B. (ii), (iii), (iv)
• C. (i), (ii), (iv)
• D. (i), (iii), (iv)