Question

Select the correct answer.
A modification is a change to an exercise due to a limitation while aiming to _____ the original intent of the exercise.
A.
Increase
B.
Decrease
C.
Eliminate
D.
Maintain

Answer 1

I think is the answer D.  Maintain

Answer 2

Must be A I.e increase or improve

Check the definition of modification

https://dictionary.cambridge.org/dictionary/english/modification