i think its A. but i also got C.

As you are reading your research paper aloud,you notice that all your sentences start the same way.
What should you do

A.revise some of the sentence so there is variety.
B.read the sentences with a more engaging voice
C.add definitons of specific terms to your sentences

A is the best answer.

To determine the correct answer, we need to analyze the question and the options provided. The question asks what you should do if you notice that all your sentences in your research paper start the same way. Let's break down the options:

A. Revise some of the sentences so there is variety: This option suggests that you should make changes to your sentences to introduce more variety. By doing so, you can avoid repetitive sentence structure and make your writing more engaging.

B. Read the sentences with a more engaging voice: This option proposes that you change the way you read your sentences aloud. While this might improve the delivery and presentation of your research paper, it does not address the underlying issue of repetitive sentence structure.

C. Add definitions of specific terms to your sentences: This option suggests that you include definitions of certain terms in your sentences. While defining terms can be important in academic writing, it doesn't directly address the problem of repetitive sentence structure.

Given the context of the question, it is clear that option A, revise some of the sentences so there is variety, is the most appropriate answer. By revising your sentences and varying their structure, you can improve the flow and readability of your research paper while avoiding repetition.