1917年十月革命，标志着社会主义从理论走上实践。

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错

<input data-v-64c39c26="" type="radio" disabled="disabled" class="mr5" value="262489592" style="margin-top: 0px; margin-right: 5px; margin-left: 0px; padding: 0px; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); font-family: -apple-system, BlinkMacSystemFont, "SF Pro SC", "SF Pro Text", "Helvetica Neue", Helvetica, "PingFang SC", "Segoe UI", Roboto, "Hiragino Sans GB", arial, "Source Han Sans CN", sans-serif; font-size: inherit; font-style: inherit; font-weight: inherit; outline: none; -webkit-font-smoothing: antialiased; vertical-align: middle;"/> B.

对