There are common errors in sentence construction. The common error that is evident in this example is: C. Sentence fragment.
Let's understand what sentence fragment is all about.
What is Sentence Fragment?
Sentence fragment is known to be a sentence whose subject or main verb is missing. This can actually be as a result of typographical errors or due to omission of words or phrases.
To avoid sentence fragment, it's very important that proofreading is carried out.
The sentence above started with "if". It reads out that some part of the sentence is missing or omitted.
Learn more about sentence fragments on https://brainly.com/question/24734351
