Read the sentence from the first paragraph of the article.

According to Article III, Section 1 of the Constitution, "the judicial Power of the United States, shall be vested in one supreme Court, and in such inferior Courts as the Congress may from time to time ordain and establish."

Which two words would BEST replaced "vested" and "inferior" in the sentence above?
A
qualified; ineffective
B
preferred; subpar
C
concentrated; unimportant
D
appointed; lower-ranking