【单选题】Stupendous prices were paid in a historic sale of 19th- and 20th-century avant-garde paintings collected over a lifetime by John Hay Whitney and his wife, Betsy Cushing Whitney, Picasso's 'Garcon à la...
A.
the third is a subcategory of the second.
B.
the third is the logical cause of the second.
C.
the second generalizes and the third gives examples.
D.
both present the value of Picasso's paintings.