Gabi tried to solve an equation step by step. \qquad\begin{aligned} 0.1(0.5m+6)&=2 \\ 0.5m+6&=20&\green{\text{Ste p } 1} \\ 0.5m&=14&\blue{\text{Step } 2} \\ m&=7&\purple{\text{Step } 3} \end{aligned} 0.1(0.5m+6) 0.5m+6 0.5m m ​ =2 =20 =14 =7 ​ Step 1 Step 2 Step 3 ​ Find Gabi's mistake. Choose 1 Choose 1 (Choice A) A \green{\text{Step }1}Step 1start color #28ae7b, start text, S, t, e, p, space, end text, 1, end color #28ae7b (Choice B) B \blue{\text{Step }2}Step 2start color #6495ed, start text, S, t, e, p, space, end text, 2, end color #6495ed (Choice C) C \purple{\text{Step }3}Step 3start color #9d38bd, start text, S, t, e, p, space, end text, 3, end color #9d38bd (Choice D) D Gabi did not make a mistake.