Select the most appropriate option to fill in blank no. 4.
Show answer & explanation
Correct answer: C
Explanation
The correct answer is Option 3 i.e. preserving.
Filler Concept: The context is about protecting wildlife and environment — a positive, long-term effort.
Grammatical Explanation:
"Preserving" means protecting something from harm or decay, especially in the context of nature or wildlife, which fits perfectly here.
"Maintaining" means keeping something in its current state, but it doesn't imply protection.
"Storing" and "retaining" are unrelated to environmental or wildlife protection.
Correction: ...who understand the value of preserving wildlife and the environment.
Conclusion: “Preserving” is the most appropriate and meaningful word in the context of conservation.