题目选项分析

Which of the following most logically completes the passage?

The figures in portraits by the Spanish painter El Greco (1541-1614) are systematically elongated. In El Greco's time, the intentional distortion of human figures was unprecedented in European painting. Consequently, some critics have suggested that El Greco had an astigmatism, a type of visual impairment, that resulted in people appearing to him in the distorted way that is characteristic of his paintings. However, this suggestion cannot be the explanation, because _________ .

【选项】even if El Greco had an astigmatism, there would have been no correction for it available in the period in which he lived