Stealing would be an option, or wrenching, as well as capturing or arresting. It depends upon the context but those are some "negative" options for you.
A. it is missing a subject,verb,or complete thought
When Merlin felt that the time had come, he went to the Archbishop of Canterbury and said that if the archbishop would call the lords of the land to London at Christmas, a miracle would reveal who was the rightful king of Britain. The archbishop did as Merlin asked.
A 55-year-old American man, Allan Verno Evans, has claimed to be a descendant of the last king of Wales and has vowed to return to Britain and overthrow Prince Charles as heir to the throne. Adding that he will wait until after Queen Elizabeth II dies, he said he will assume the throne within a month after her death.
Adverbs are words that are used to modify or qualify the verb, adjective and sometimes another adverb. From the sentence above and from the choices given, the word that is not an adverb is the word because. Thus, the answer is letter D.