Decide Whether the Equation Is Conditional, an Identity, or a Contradiction

Multiple Choice

Decide whether the equation is conditional, an identity, or a contradiction. Give the solution set.
- $2[3-(2-5 r) ]-r=-4+3(2+3 r)$

A) Identity; {all real numbers}
B) Conditional; $\{4\}$
C) Contradiction; $\varnothing$
D) Conditional; $\{-2\}$