Answer:
d. is a seller that has the ability to control, to some degree, the price of the product it sells
Step-by-step explanation:
A price searcher is a person who sold the products and services and impact the price of the same goods & services via number of units sold
So as per the given situation, the option d is correct as it derives that it is the seller that has the capability to control for some degree for the price of that product it sold
So, the other options would be incorrect