天山 3-31

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

MINE C

ANS E

E. 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

HAS BEEN的主语是什么呢?

主语应该是the nature of matter and the universe

各位斑竹帮忙鉴定一下,谢谢

C中的like不能引导句子。E中的as has been the case more recently应该是倒装句吧。

我是选E的。