A statement which cannot be understood

A. Infallible

B. Illegible

C. Inexplicable

D. Incomprehensible

Answer: Option D

Solution(By Examveda Team)

One word substitute is Incomprehensible.

Infallible: incapable of making mistakes or being wrong.
Illegible: not clear enough to be read.
Inexplicable: unable to be explained or accounted for.
Incomprehensible: not able to be understood; not intelligible.