This question consists of a sentence which is divided into four parts. Only one part of the sentence is not acceptable in standard written English. Identify that part which contains an error.

Correct option is C

Option (c) national parks, wild reserves contains an error.
The error lies in the inconsistency in the phrase "wild reserves." It should be corrected to "wildlife reserves" for proper usage, as "wild reserves" is not a standard term in English.
Corrected sentence:
"Shifts in regional climate will also impact national parks, wildlife reserves, and mountain tops with high altitude."
Grammatical Rule Used:
Maintain correct and standard word usage for parallel items in a list to ensure consistency and clarity.
Explanation in Hindi:
"Wild reserves" गलत शब्दावली है। इसे "wildlife reserves" में बदलना चाहिए, जो मानक और सही शब्दावली है।