Which of the Following Is an Advantage of Removable Partial

Which of the following is an advantage of removable partial dentures over fixed partial dentures?

A) Removable partial dentures are more esthetic.
B) Removable partial dentures are more comfortable.
C) With removable partial dentures, it is easier to clean and inspect the remaining teeth.
D) Teeth adjacent to the edentulous space can be used to anchor dentures.