请教gre一道单空题

2. The assumption that children learn about science primarily in the classroom is so _____ that few
scientists, educators or policymakers question it, despite an ever-growing body of evidence
demonstrating that most science is learnt outside of school.
A. tenuous
B. subtle
C. irrefutable
D. pervasive
E. misconstrued

第一做1000题时选的pervasive结果答案是irrefutable，第二次用的佛脚词填空记得做过选了irrefutable结果答案是pervasive。其实我自己还是觉得应该选pervasive，求大家帮忙解答一下呀。