Which of the Following Is Always True for a Normal $P(x>8)=P(x \geq 9)$

Which of the following is always true for a normal distribution?

A) $P(x>8) =P(x \geq 9)$
B) $P(2x \leq 8) =P(2 \leq x<8)$
C) $P(x<5) \neq P(x \leq 5)$
D) $P(x \leq 8) =P(x \leq 8.5)$