The correct answer is: A. Frame : Picture
The relationship between “man” and “humanity” is that “man” is a member of the species “humanity”. Similarly, a “frame” is a container for a “picture”.
The other options do not have the same relationship. A “scholar” is a person who studies, but a “book” is not a container for a “scholar”. A “flower” produces fragrance, but a “fragrance” is not a container for a “flower”. A “drop” is a small amount of liquid, but an “ocean” is not a container for a “drop”.