If $f(x) = \begin{cases} \frac{|x - a|}{x - a}, & x \neq a \\ 1, & x = a \end{cases}$,then:

  • A
    $f(x)$ is continuous at $x = a$
  • B
    $f(x)$ is discontinuous at $x = a$
  • C
    $\lim_{x \to a} f(x) = 1$
  • D
    None of these

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