Identify the most appropriate option to substitute the underlined segment. If no substitution is required, select No substitution. I was astonished `ul("on the ignorance in")` the villagers.
(a)over the ignorance between
(b)No substitution
(c)on the ignorance by
(d)at the ignorance of

Options

A. over the ignorance between
B. No substitution
C. on the ignorance by
D. at the ignorance of

Answer

D