题目选项分析

In the sixteenth century, the push for greater precision in measuring time was motivated by the practical matters of navigation, not complicated philosophical questions about the nature of matter and the universe, which was the case more recently: sailors simply needed more highly accurate timepieces in order to compute their longitude from the positions of the stars.

In the sixteenth century, the push for greater precision in measuring time was motivated not by complicated philosophical questions about the nature of matter and the universe, as has been the case more recently, but by the practical matters of navigation: sailors simply needed more highly accurate timepieces in order to compute their longitude from the positions of the stars.