Give the Domain and Range of the Relation $\{ 52,102,170,187,218 \}$

Multiple Choice

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

A) domain: $\{ 52,102,170,187,218 \}$ ; range: $\{ 1993,1994,1995,1996,1997 \}$
B) None of these
C) domain: $\{ 1993,1994,1995,1996,1997 \}$ ; range: $\{ 52,102,170,187,218 \}$
D) domain: $\{$ Year $\}$ ; range: $\{$ Number $\}$