Select the most appropriate option to substitute the highlighted segment in the given sentence. If there is no need to substitute it, select ‘No substitution’.
He is determined in expanding his business.

Correct option is A

The correct substitution of the highlighted words is (a) determined to expand.
The original sentence, "He is determined in expanding his business," is grammatically incorrect. The correct structure is "determined to" when expressing one's determination or intent to do something. Therefore, "determined to expand" is the appropriate substitution to convey the intended meaning correctly.