$70 \%$ of the total employees of a factory are men. Among the employees of that factory, $30 \%$ of men and $15 \%$ of women are technical assistants. If an employee chosen at random is found to be a technical assistant, then the probability that this employee is a man is

• A

  $\frac{9}{23}$
• B

  $\frac{3}{17}$
• Correct answer
  C

  $\frac{14}{17}$
• D

  $\frac{14}{23}$

Hence, the correct answer is option: 'C'.