The British (A) national anthem. (B) calling “ God Save the Queen”, (C) was a (D) traditional song in the 18^th century.

Đáp án B

Ta thấy: The British national anthem, which was called “God Save the Queen”, was a traditional song in the 18^th century.

=> The British national anthem, called “God Save the Queen”, was a traditional song in the 18 ^th century, (rút gọn mệnh đề quan hệ - bị động)

Đáp án B (calling => called)