멱급수 $\displaystyle x- \frac{x ^ {2}} {2} + \frac{x ^ {3}} {3} - \cdots + (-1) ^ {n-1} \frac{x ^ {n}} {n} + \cdots$ 의 수렴구간은?

• ①$0 \leq x<1$
• ②$-1<x \leq 1$
• ③$-1 \leq x \leq 1$
• ④$-1 \leq x<1$
• ⑤$-1<x \leq 0$