Select the most appropriate option to fill in blank 3.
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. much.
The phrase here is 'a stepping stone to (3)_______ simplified computations'.
The correct collocation is 'much simplified computations', meaning computations that are greatly simplified.
Much is used here as an intensifier before a past participle/adjective ('simplified') to show a high degree.
Why not the others?
scarcely – Means “barely” or “almost not,” which would give the opposite meaning.
many – Used with countable nouns, but “simplified computations” is not countable in this sense.
sadly – Means “unfortunately,” which is irrelevant to the positive achievement being described.