challenge: What was the impact of Subtropical Storm Yakecan on the power supply in greater Porto Alegre and Campanha Gaúcha?
  
  A. Over 100,000 people experienced temporary power surges
  B. Only a few hundred people experienced minor disruptions
  C. More than 220,000 people were affected by power cuts
  D. The power grid was unaffected by the storm
  Answer: 