For each pair of statements choose the one that is true ABC or D

EXPLANATION:
Given;
We are given four pairs of statements as indicated in the attached image.
Required;
We are required to determine which statement is true.
Solution;
(A)
[tex]\begin{gathered} \lbrace s\rbrace\subseteq\lbrace g,s\rbrace\text{ }(TRUE) \\ s\subseteq\lbrace g,s\rbrace \end{gathered}[/tex](B)
[tex]\begin{gathered} \lbrace5\rbrace\in\lbrace5,6,7\rbrace \\ \lbrace5\rbrace\subseteq\ne\lbrace6,7,8\rbrace\text{ }(TRUE) \end{gathered}[/tex](C)
[tex]\begin{gathered} \lbrace11,13,15\rbrace\in\lbrace1,3,5,7...\rbrace \\ \lbrace11,13,15\rbrace\subseteq\lbrace1,3,5,7...\rbrace\text{ }(TRUE) \end{gathered}[/tex](D)
[tex]\begin{gathered} \lbrace q\rbrace\in\lbrace n,q\rbrace \\ q\in\lbrace n,q\rbrace\text{ }(TRUE) \end{gathered}[/tex]