Among the following, which were frequently mentioned in the news for the outbreak of Ebola virus recently?

Option (B) is correct because Guinea, Sierra Leone, and Liberia were the epicenters of the 2014–2016 West African Ebola epidemic, which was the largest and most complex outbreak since the virus was first discovered in 1976. Option (A) is a common distractor as these countries were frequently in the news during the same period, but for the Syrian Civil War and the resulting refugee crisis rather than a viral outbreak. The core concept being tested is the geographical awareness of major international health crises and their impact on global current affairs.