Question #N571

The United States has always been a nation that is known for its diversity and its rich cultural heritage. The US has been a popular destination for immigrants from all over the world, each bringing their own unique traditions and customs. As a result, the US has a wide variety of different cultures, languages, and cuisines. However, the US is not a country that is always welcoming to newcomers. The United States is known for its diversity, its rich cultural heritage, and its popular destination for immigrants.

Which choice best combines the sentences at the underlined portion to create a grammatically correct and stylistically effective sentence?
A. The US is a country that is known for its diversity, its rich cultural heritage, and is a popular destination for immigrants.
B. The US is a country that is known for its diversity, its rich cultural heritage, and its popularity as a destination for immigrants.
C. The US is a country known for its diversity, its rich cultural heritage, and a popular destination for immigrants.
D. The US is a country known for its diversity and its rich cultural heritage, a popular destination for immigrants.