Write the Complex Number in Standard Form $3 - \sqrt { - 30 }$

Write the complex number in standard form.​ $3 - \sqrt { - 30 }$ ​

A) 3 + $\sqrt { 30 }$ i​
B) 4 + $\sqrt { 30 }$ i
C) 7 - $\sqrt { 30 }$ i
D) 3 - $\sqrt { 30 }$ i
E) 4 - $\sqrt { 30 }$ i