Directions: Given below are four sentences, three of which are jumbled. Pick the option that gives the correct order.

A. Its current priorities include communicable diseases,

B. The WHO has played a leading role in several public health achievements.

C. Particularly HIV/AIDS, Ebola, COVID-19, malaria and tuberculosis.

D. Most notably the eradication of smallpox, the near-eradication of polio, and the development of an Ebola vaccine.