题目内容
（请给出正确答案）
[主观题]
The Molecular Genealogy Research Group is building a database for the purpose of______A．of
The Molecular Genealogy Research Group is building a database for the purpose of______
A．offering assistance in working out genealogy-related problems
B．solving many issues without relying on traditional written records
C．providing a pedigree chart of at least four generations in the world
D．confirming the assumption that all individuals are of the same origin
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