One Way for Governments to Try and Minimize the Effects

One way for governments to try and minimize the effects of structural unemployment is to:

A) provide information to unemployed people about which professions are experiencing rising demand for labor.
B) subsidize retraining programs for unemployed workers to learn new skills.
C) offer low-interest loans to unemployed workers to go back to school to learn new skills.
D) All of these are ways the government can deal with structural unemployment.