Question #N1045

The history of the sport is a rich and diverse one, with influences from many different cultures. In the 18th century, European sailors introduced a game called "rounders," which eventually evolved into what we know today as baseball. However, the game became a national pastime in the United States not because of its European roots, but because of its unique American adaptation.

Which choice most effectively combines the sentences at the underlined portion?
A. In the 18th century, European sailors introduced a game called "rounders"—which eventually evolved into what we know today as baseball.
B. In the 18th century, European sailors introduced a game called "rounders," which eventually evolved into what we know today as baseball; however, the game became a national pastime in the United States not because of its European roots, but because of its unique American adaptation.
C. In the 18th century, European sailors introduced a game called "rounders," which eventually evolved into what we know today as baseball, however, the game became a national pastime in the United States not because of its European roots, but because of its unique American adaptation.
D. In the 18th century, European sailors introduced a game called "rounders" which eventually evolved into what we know today as baseball, however, the game became a national pastime in the United States not because of its European roots, but because of its unique American adaptation.