Brenda measured the length of a room in her house. She reported the length as 3.4 meters, accurate to the nearest tenth of a meter. The actual length of the room must have been
A. exactly 3.4 meters.
B. at least 3.4 meters.
C. at least 3.35 meters and less than 3.45 meters.
D. at least 3.39 meters and less than 3.41 meters.
E. at least 3.399 meters and less than 3.401 meters.