message: plugin-sc-mc-exercise: fix renderer when there are no options
diff: @@ -28,6 +28,7 @@ export class ScMcAnswersRenderer extends React.Component<
  lastOption: [this.props.state.answers().length, 1] as [number, number]
  }
  public render() {
  + if (this.state.remainingOptions.length === 0) return null
  const currentOption = this.state.remainingOptions[0]
  return (
  <React.Fragment>
  