D: In 1903, two brothers, Orcille and Wilbur Wright, made history by flying an airplane at Litty Hawk.
Explanation:
The sentence presented in option D combines the two sentences with an appositive phrase. An appositive phase , as shown in this sentence, is placed inside commas, and has the purpose of providing further information about a noun. In this case, "Orville and Wilbur Wright" adds information about the noun "brothers."
