In this task, you need to answer the given multiple-choice question on geometry. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.

[EX Q]: Problem: what positive number , when squared , is equal to the cube of the positive square root of 14 ? 
Options: a ) 64 , b ) 32 , c ) 8 , d ) 4 , e ) 2
[EX A]: d

[EX Q]: Problem: if the volume of a cube is x ^ 3 cubic units , what is the number of square units in the surface area of the cube ? 
Options: ['a ) x ^ 2', 'b ) x ^ 3', 'c ) x ^ 6', 'd ) 6 x ^ 2', 'e ) 6 x ^ 3']
[EX A]: d

[EX Q]: Problem: the cube root of . 000216 is : 
Options: ['a ) 0.6', 'b ) 0.06', 'c ) 0.9', 'd ) 0.2', 'e ) 0.61']
[EX A]:
b