56.
Your Answer is
Correct Answer is F
Explanation
This sentence indicates that Masa gave his photographs and maps to famous Asheville visitors, recruiting First Lady Grace Coolidge and philanthropist John D Rockefeller, among others, to participate in the park's activities.
F item: among others means that the first two people are among other people.
G item: big shots (big shot) is a colloquial expression.
H/J item: When listing things, it is A, B and so forth/ A, B et cetara, the first two nouns are not connected by conjunctions.