Let $z_1, z_2$, and $z_3$ be complex numbers satisfying the following conditions $2=\left|2 z_1\right|=\left|z_2-1\right|=\left|z_3+1\right|=\left|\frac{1}{z_1}+\frac{1}{z_2-1}+\frac{1}{z_3+1}\right|$ What is the value of $\left|4 z_1+z_2+z_3\right|$ ?

• Correct answer
  A

  8
• B

  4
• C

  $\frac{1}{4}$
• D

  $\frac{1}{8}$

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