The letter that represents the capital of the country led by Angela Merkel is B, which stands for Berlin.
The correct answer is A: Berlin.
To find out which letter represents the capital of the country led by Angela Merkel, we need to know the name of the country first. Angela Merkel was the Chancellor of Germany until December 2021. The capital city of Germany is Berlin, which starts with the letter "B." Therefore, the correct answer is B.
