Choose one sentence that has the closest meaning to the root one:
I did not answer the door even though I knew it was my friend.
A.
Unless I knew it was my friend, I would not answer the door.
B.
I knew it was my friend, but I did not answer the door.
C.
Only when I answered the door did I knew it was my friend.
D.
I answered the door since I knew it was my friend.
Đáp án và lời giải
Đáp án:B
Lời giải:
I knew it was my friend, but I did not answer the door.