The girl is talking to a man with a ponytail. She is my friend.
A. The girl who is talking to a man with a ponytail is my friend.
B. The girl, whom a man with a ponytail is talking to, is my friend.
C. My friend is the girl, who is talking to a man with a ponytail.
D. The girl, who is talking to a man with a ponytail, is my friend.
Đáp án A
Mệnh đề quan hệ "who" thay thế cho chủ ngữ là người trong câu.