Write the Expression as a Complex Number in the Form $10 + \sqrt { 108 }$

Multiple Choice

Write the expression as a complex number in the form a + bi.
- $10 + \sqrt { 108 }$

A) 18 + 0i
B) $10 + 6 \sqrt { 3 } \mathrm { i }$
C) $( 10 + 6 \sqrt { 3 } ) + 0 \mathrm { i }$
D) $10 + 3 \sqrt { 6 } i$