Let $R = \lbrace\text{numbers divisible by 2}\rbrace$

Determine which of the following sets are subsets of $R$
A. $\lbrace -82,104,16\rbrace$
B. $\lbrace 0\rbrace$
C. $\lbrace 44,221,90\rbrace$
D. $\lbrace integers\rbrace$
E. $\lbrace 1\rbrace$