Answer:
In recent years, HMOs (Health Maintenance Organizations) in the United States have attracted the most public ire for their **A) cost containment efforts.**
HMOs have often been criticized for their cost containment efforts, which can sometimes lead to restrictions on healthcare choices and access to certain medical providers or treatments. These cost containment measures can be a source of frustration for patients who feel that they are not receiving the care they need or prefer.
Step-by-step explanation: