Please select the most appropriate option out of the five options given for each of the folllowing sentences, which, in your view, should be grammatically and stucturally correct. Please not that the meaning & context of the sentence must not change.
(a) If you try to understand the concept in the class you will not only remember it but also will not be able to put to use while solving even the difficult exercises.
(b) If you tried to understand the concept of the whole class, you will not only remember it, but also can put to use while solving even the difficult exercises.
(c) If you tried to understand the concept in the class, you would not only remember it but also can put it to use while solving even the difficult exercises.
If you tried to understand the concept in the class, you would not only remember it but also could put it to use while solving even the difficult exercises.
(e) None is true.

Answer

d

Explanation

Copy the sentence here.