The research study is an eye-opener and attempts to acquaint us with the problems of poor nations.

The research study is an eye-opener and attempts to acquaint us with the problems of poor nations.
A: attempts to acquaint
B: attempting to acquaint
C: acquainted to attempt
D: attempt acquainting

“Attempting to acquaint” maintains parallelism with “is an eye-opener;” using a gerund. The original “attempts to acquaint” is correct but less parallel. Options C and D are grammatically incorrect. This tests verb form consistency in English sentence construction.