Answer:
Treating lowly beggars as full of virtue
Step-by-step explanation:
1. Correct on Edge2020.
2. Process of elimination; he wasn't criticized for any other answer available.
3. For more info, check out RLS's ironic essay "Beggars." Even though the unit doesn't cover it, he was criticized for his take on the “Deserving Poor” by Victorian society, which found him to be too romantic and too much an atheist for their general taste and the essay cemented that.