A．Their families and friends win suffer from the same disease． 
B．Their families and friends will experience mental sufferings． 
C．They will certainly die in 8 to 10 years． 
D．They will forget everybody but their spouses． 

A．Memory loss occurs from Alzheimer’s disease and nothing else． 
B．Memory loss occurs from sadness，shock，anger，and so on． 
C．Memory loss occurs for a number of reasons． 
D．Memory loss occurs with changes in personality． 

A．Early treatment may stop Alzheimer’s disease occurring． 
B．It is still unknown what causes the changes in the brain’s nerve fibers． 
C．Nerve fibers in the brain will cause Alzheimer’s disease． 
D．When one suffers from Alzheimer’s disease．he will be buried．