Part or all of the following sentence is underlined;beneath the sentence are five ways of phrasing the underlined material.Select the option that produces the best sentence.If you think the original phrasing produces a better sentence than any of the alternatives,select choice A.

The Vikings used their well-known longships to travel as far east as Constantinople and the Volga River, and as far west as Iceland, Greenland, and Newfoundland, this was a period of expansion known as the Viking Age.

(A) Newfoundland, this was a period of expansion known as the Viking Age
(B) Newfoundland, moreover, this period of expansion was known as the Viking Age
(C) Newfoundland, a period of expansion being known as the Viking Age
(D) Newfoundland, this period of expansion was known as the Viking Age
(E) Newfoundland, during a period of expansion known as the Viking Ag

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