According to paragraph 4, why is there some doubt whether Spanish accounts of the Incan conquests of other people are accurate? A. The Spaniards included some information about which Incan informants disagreed. B. The conquered people's tales of the Incan conquests sometimes differed from the Inca's tales of them C. The Spanish accounts of the Incan conquest were based on information from Incan informants only. D. Some archaeological evidence does not support the Spanish accounts.