Question ID:PT89 S4 Q23 Passage:Researcher: Consumption of turmeric, a basic ingredient in curry dishes, probably slows cognitive decline. Our research team analyzed a database of information about the cognitive function, ethnicity, and diet of elderly residents of Singapore. Those who eat curries regularly had higher scores on cognitive-function tests than those who rarely or never eat curries; this relationship was strongest for the elderly Singapore residents of Indian ethnicity. Stem:Which one of the following, if true, most strengthens the researcher's explanation of the research team's findings? Correct Answer Choice:EChoice A:Even before analyzing the database, the researchers had hypothesized that turmeric consumption slows cognitive decline. Choice B:Highly educated residents of Singapore are more likely than other residents to eat curries regularly. Choice C:Most Singapore residents who are of Indian ethnicity eat curries regularly. Choice D:Singapore residents, on a per capita basis, eat curries more often than do residents of most other countries. Choice E:Indian curries generally contain much more turmeric than other curries contain.