The correct answer is B. To state the central idea and begin the narrative of how the trees arrived in Washington, D.C.
Explanation
The text introduces the story of how the trees came to Washington, referring to Ms. Taft's taste for cherry trees, noting that she was the one who started this trend once she settled in the White House as the author mentioned saying "The first cherry trees were planted in Washington by Mrs. Taft's request on April 4, 1909" and from there began this trend. characteristic of Washington. According to the above, the correct answer is B. To state the central idea and begin the narrative of how the trees arrived in Washington, D.C. Because, this paragraph established the general context and focus of the story.
