Give the Location of the Vertical Asymptote(s) If They Exist $\in$

Multiple Choice

Give the location of the vertical asymptote(s) if they exist, and state the function's domain in set notation.

A) x = 1; {x | x $\in$ R, x ? 1}
B) x = -3; {x | x $\in$ R, x ? -3}
C) x = 4; {x | x $\in$ R, x ? 4}
D) No vertical asymptote; {x | x $\in$ R}