Write a Statement That Represents the Relationship Between the Following $A = \{ b , f , n , t , e , r \}$

Multiple Choice

Write a statement that represents the relationship between the following.
- $A = \{ b , f , n , t , e , r \}$ and $r$

A) $\mathrm { r } \subset \mathrm { A }$
B) $r \subseteq A$
C) $\mathrm { r } \in \mathrm { A }$
D) $\mathrm { r } = \mathrm { A }$