The Knot Is an Online Company That Helps People with the Complex

The Knot is an online company that helps people with the complex task of planning a wedding. Multiple vendors are recommended for things like flowers, caterers, wedding gowns, and more. Through The Knot, a couple can establish a website that acts as a registry. Once the couple is married, the website directs them to another site having to do with beginning married life. What type of utility or utilities is this site providing to its users?

A) form and service
B) service and time
C) service and information
D) form and information