The answer is D. A verb that starts with "to" is in an infinitive verb form. It should be noted that a verb in this form does not function as a verb instead it functions as another part of speech. Infinitives can function as adverbs, adjectives or as nouns.
If you have already had a research questing identifies, you should: B, turn it into an assertion.
The Battle of Hastings was fought on 14 October 1066 between the Norman-French army of William, the Duke of Normandy, and an English army under the Anglo-Saxon King Harold Godwinson, beginning the Norman conquest of England.<span>The </span>battle of Hastings<span> took place on October 14th 1066. It was between Harold Godwin and William the Duke of Normandy. ... Some of Harold's best soldiers the housecarls had been injured or even killed in the </span>battle<span> so Harold had a weak army, which was mainly made up of farmers.</span>