<p>To <strong>establish</strong> a good business reputation, a consultant must adhere carefully to his contract.</p>
<p>The correct answer is <strong>(B) establish</strong>.</p>
<p>In this sentence, the phrase "to establish a good business reputation" means to create or build a positive image or standing in the business world. The word "establish" is the most appropriate choice because it implies the process of starting or creating something new.</p>
<p>The other options do not fit the context of the sentence:</p>
<p>(A) demonstrate - This means to show or prove something, but it does not convey the idea of creating a reputation.</p>
<p>(C) specify - This means to state or describe something in detail, but it does not convey the idea of building a reputation.</p>
<p>(D) accommodate - This means to make adjustments or provide for someone's needs, but it does not convey the idea of establishing a reputation.</p>