Concept:Check whether each option can be made using only the letters available in the given word.
Explanation:The word is
IMPROVEMENT.
Its letters are: I, M, P, R, O, V, E, M, E, N, T.
It has no letter A.
It also has only one T.
The word “Important” needs A and two T’s.
So “Important” cannot be formed from
IMPROVEMENT.
Options Rope, Trim, and Prove can be formed using its letters.
Answer:The word that cannot be formed is Important, i.e. Option C.