This is an infinitive phrase.
The correct option is C. A content intensive lecturer when teaching usually uses jargon that are specific to his field of specialization. Such lecturer usually determine their own speed of finishing a particular topic without caring much whether the students understand what is been taught or not. But the information they pass across is always rich.
Every composition has three main parts<span>: introduction, body, and conclusion.
</span>The introduction is the<span> paragraph that introduces the topic and states the thesis.
The body are several paragraphs after the introduction. The body support and develops the thesis.</span><span> And the </span><span>conclusion is the </span><span>paragraph that gives the final point.</span>
The correct answer is C. rulers gained power by surrounding themselves with loyal officers
The author could add additional details to the story about how the birds sound when they are singing.