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This question has two parts. Answer Part A, and then answer Part B.

Part A

Which conclusion about Alzheimer’s patients is BEST supported by the information in “What can beagles teach us about Alzheimer’s disease?”

Responses
A Other diseases influence the early onset of Alzheimer’s.Other diseases influence the early onset of Alzheimer’s.
B Some people remain sharp all their lives. Some people remain sharp all their lives.
C Vegetarians are less likely to suffer from Alzheimer’s.Vegetarians are less likely to suffer from Alzheimer’s.
D Being isolated worsens the condition of patients.Being isolated worsens the condition of patients.
Question 2
Part B

Which detail from the passage BEST supports the answer in Part A?

Responses
A “In our more recent studies, we have been seeking ways to improve brain health in old dogs with the hope that these approaches can translate to healthy aging in people.”“In our more recent studies, we have been seeking ways to improve brain health in old dogs with the hope that these approaches can translate to healthy aging in people.”
B “If we participate in exercise, social interaction, and learning new tricks with our aged companion animals, the benefits will be twofold: for them and for us.”“If we participate in exercise, social interaction, and learning new tricks with our aged companion animals, the benefits will be twofold: for them and for us.”
C “Dogs may be very well suited to help us understand how different lifestyle factors help our brains as we get older.”“Dogs may be very well suited to help us understand how different lifestyle factors help our brains as we get older.”
D “Also, old dogs showed rapid improvements in their ability to modify their behaviors (an example of enhanced executive function) when the rules had changed in the task they were learning.”

Part A: B Some people remain sharp all their lives.

Part B: D “Also, old dogs showed rapid improvements in their ability to modify their behaviors (an example of enhanced executive function) when the rules had changed in the task they were learning.”