Even today many people are guided by abstruse moral values.

A. dangerous

B. impracticable

C. obscure

D. irrational

Answer: Option C

Solution(By Examveda Team)

dangerous : able or likely to cause harm or injury.
impracticable : (of a course of action) impossible in practice to do or carry out.
obscure : not clearly expressed or easily understood.
irrational : not logical or reasonable.
abstruse : difficult to understand; obscure.


Synonym of abstruse is obscure