Answer:
D.Supplementary
Step-by-step explanation:
SAE means Supervised Agricultural Experience. This is like a project work which may last up to a year that helps in giving students practical experiences in the Agricultural sector.
There are several types of SAE but the type that allows you to complete a short term job in a different area than your primary SAE is the Supplementary SAE and is usually totally different and unrelated to the main SAE.