In the past, when we saw quantity supplied that was greater than quantity demanded, we called it a surplus. In this case, we have a surplus again, but a surplus of what?

Surplus of demand

Explanation:

Surplus of yet the demand. Most times the cause of this is either the customers who earlier demanded this items lost interest and withdrew or there was an exaggeration or miscalculation when the survey was carried out, these are scenarios where this surplus can exist.

i am pretty sure it is d.