The correct answer is A) lack of sentence variety
The most obvious fault of this paragraph is a lack of sentence variety.
When writing. sentence variety means the variations of the structure and the lenght of the sentences. This is very important to minimize monotony and articulate the ideas.
The writer has to write with such clarity for the reader to understand its ideas and concepts. That is why it is important that the writer has knowledge of grammar and also a good vocabulary to use the correct words in the right places.
