Answer:
(B)- Just inside the lobby of the Air and Space Museum, the Wright brothers' plane and Lindbergh's Spirit of St. Louis.
Explanation:
"Sentence fragment" is term defined when the sentence is not complete in form. It is a collection of words to form a sentence but it is not a complete sentence. There is always a missing word or verb and they do not convey a complete meaning to the sentence.
"Just inside the lobby of the Air and Space Museum, the Wright brothers' plane and Lindbergh's Spirit of St. Louis".
The above sentence does not provide a complete sentence. It does not convey any meaning to the reader. It is an incomplete sentence from which the reader cannot derived any meaning from.
Thus the sentence fragment is ---
(B)- Just inside the lobby of the Air and Space Museum, the Wright brothers' plane and Lindbergh's Spirit of St. Louis.
D) Boris Yeltsin was the figure that emerged from the August Coup as a national hero in Russia.
A form/branch of government independent from the law.
I believe it is B. Not 100% sure though.
