<u><em>The answer is (B) The nation's efforts to deny racial equality are part of the past rather than the future</em></u>
Dinner does modify "the table" and "set"
B. Oferous
The suffix in the word is ferous which means having, bearing, or containing a specific object, which where the full word oferous would be answer that is acceptable.
To explain why the other answers are incorrect:
D. -oisis means conditions, denoting actions or states
C. -Oid this term is used for the words resembling.
A. Ful meaning that something is full with or full of