Tell Whether the Statement Is True or False $A = \{ 5,6,7,8,9,10 \} , B = \{ 7,9,11 \} , C = \{ 5,6,8,10 \} , D = \{ 5,10 \}$

True/False

Tell whether the statement is true or false.
-Let $A = \{ 5,6,7,8,9,10 \} , B = \{ 7,9,11 \} , C = \{ 5,6,8,10 \} , D = \{ 5,10 \}$ , and $U = \{ 5,6,7,8,9,10,11 \}$ . D $\nsubseteq \mathrm { C }$