Amelia Earhart, the first woman (A) to fly solo across (B) the Atlantic, disappeared (C) on June 1937 while (D) attempting to fly around the world

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.

Amelia Earhart, the first woman (A) to fly solo across (B) the Atlantic, disappeared (C) on June 1937 while (D) attempting to fly around the world.