Give the Domain and Range of the Relation $\{$ Year $\}$ ; Range

Multiple Choice

Give the domain and range of the relation.
-Annual New Telemarketing Companies

A) None of these
B) domain: $\{$ Year $\}$ ; range: $\{$ Number $\}$
C) domain: $\{ 56,112,178,187,318 \}$ ; range: $\{ 1995,1996,1997,1998,1999 \}$
D) domain: $\{ 1995,1996,1997,1998,1999 \}$ ; range: $\{ 56,112,178,187,318 \}$