On August 6, 1945 the atomic bomb was dropped on the Japanese city of Hiroshima. The Enola Gay, piloted by Colonel Tibbetts, was chosen to make the mission. The mission was recorded as successful by Capt. William S. Parson at 9:20 A.M.

Based on that paragraph can we conclude that this sentence is true?
An atomic bomb was dropped in the first week of August of 1945.

pick from the following.
 A). Yes;
 B). It's impossible to say;
 C). No;