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Elizabeth Alexandra Mary Windsor was born in London on April 21, 1926. No one thought one day she __38___ the queen of the UK. After her grandfather, King George V, died in 1936, Elizabeth’s uncle, Prince Edward, became King Edward VIII. Edward __39___ in love with a married American woman long before, and he decided to marry her after he became the king. However, Edward was asked to choose between the throne and his love. Finally, he decided to give up the throne.
__40___ , after Edward VIII gave up the throne, Elizabeth’s father became King George VI. As the oldest child without any brothers, Elizabeth became next in line to the throne. She needed to say goodbye to her good old life and prepare to be a queen. After her father died in 1952, she became Queen Elizabeth II.
Ever since she became head of her country, Queen Elizabeth II __41___ : She has held meetings with important people in the UK, and has visited many foreign countries. In the few hours she keeps to herself, however, she reads and enjoys horseback riding.

38.
(A) has become
(B) became
(C) had become
(D) would become