Question ID:PT28 S2 Q12 Passage:To prepare for fieldwork, exactly four different researchers‚ a geologist, a historian, a linguist, and a paleontologist‚ will learn at least one and at most three of four languages‚ Rundi, Swahili, Tigrinya, and Yoruba.  They must learn the languages according to the following specifications:Exactly one researcher learns Rundi.Exactly two researchers learn Swahili.Exactly two researchers learn Tigrinya.Exactly three researchers learn Yoruba.Any language learned by the linguist or paleontologist is not learned by the geologist.Any language learned by the geologist is learned by the historian. Stem:If exactly two of the languages are learned by the historian, then which one of the following must be true? Correct Answer Choice:DChoice A:The paleontologist does not learn Rundi. Choice B:The geologist does not learn Swahili. Choice C:The linguist does not learn Rundi. Choice D:The historian does not learn Rundi. Choice E:The paleontologist does not learn Swahili.