Step 1: Understanding the Concept:
We need to match the items with their correct associations.
These are related to agricultural and food processing operations.
Step 2: Key Formula or Approach:
No specific formula.
Need to know the associations.
Step 3: Detailed Explanation:
Parboiling is a process used for paddy (rice).
Under runner huller is used for corn milling.
Loose housing barn is associated with milking parlor.
Tempering degerming is used in wheat milling.
Thus, A-I, B-II, C-IV, D-III is the correct matching.
Step 4: Final Answer:
The correct matching is A-I, B-II, C-IV, D-III.
Hence, the correct option is (A).