What is the domain of the function g(x) = x/(x² - 144)?
A) (-[infinity], -12) U (-12, 12) U (12, [infinity])
B) (-[infinity], -12] U [-12, 12] U [12, [infinity])
C) (-[infinity], -12) U (-12, 12] U [12, [infinity])
D) (-[infinity], -12] U (-12, 12) U [12, [infinity])