A．Dr. Basigye's arrest is threatening to overshadow the presidential elections.
B．The presidential elections is the country's first multi-party elections in 3 decades.
C．Western nations have provided essential economic support to Uganda.
D．Dr. Basigye was arrested three weeks after he returned to Kampala.

A．The inhibitor of the HIV transrmssion.
B．An effective way to deliver AIDS drugs.
C．A good strategy to prevent HIV transmission.
D．Bacteria from yogurt may help fight HIV.

A．It is an active ingredient in a foam, cream or suppository.
B．It is an active ingredient applied before sex to prevent HIV transmission.
C．It is a protein that protects the body from infection by microorganisms.
D．It is a drug used to prevent HIV transmission.