1003093101

Which of the statements A, B, C, D, E given bellow are correct? $$\begin{array}{rl}\text{A: }& \underset{x\to 1^{+}}{lim}\frac{2x}{x-1}=\mathrm{\infty }\\ \text{B: }& \underset{x\to -2^{+}}{lim}\frac{x+1}{x+2}=-\mathrm{\infty }\\ \text{C: }& \underset{x\to 3^{-}}{lim}\frac{x+1}{3-x}=-\mathrm{\infty }\\ \text{D: }& \underset{x\to -1^{+}}{lim}\frac{x}{x^2-1}=\mathrm{\infty }\\ \text{E: }& \underset{x\to 2^{-}}{lim}\frac{x+3}{4-x^2}=\mathrm{\infty }\end{array}$$ The only correct statements are: