Specify the Set by Roster $\{ m , t , h \}$

Multiple Choice

Specify the set by roster. { letters in the word math }

A) $\{ m , t , h \}$
B) $\{ m , a , t , h \}$
C) $\{ t , h \}$
D) $\{ m , a , t \}$
E) $\{ m , t \}$