Text features include all components of a story or article that are not the main body of text. These include the table of contents, index, glossary, headings, bold words, etc. These features can be helpful if they are concise, related to the content, and clear, or they can be bad if badly organized. <span />
Li soon discovered, however, that Student Huang's visit<span> was no </span>coincidence; it was in fact gift of money from Prefect<span> Lin Yuncheng of Runing, a town near Macheng.</span>
A is the answer. The verb in the sentence is are and are is a linking verb.