Find All Values for Which at Least One Denominator Is $\neq$

Multiple Choice

Find all values for which at least one denominator is equal to 0. Write answers using the symbol ≠. Do not solve.
- - = 0

A) x $\neq$ -5, -6
B) x $\neq$ 5, 6
C) x $\neq$ 5, 6, 8, 18
D) x $\neq$ -5, -6, -8, -18