next Saturday/ 18th birthday

next Saturday/ 18th birthday
A. Next Saturday is my 18th birthday.
B. Next Saturday is the day of my 18th birthday.
C. Next Saturday would be my 18th birthday
D. Next Saturday will have been my 18th birthday.

Đáp án: D
Giải thích: Thứ bảy tới sẽ là sinh nhật lần thứ 18 của tôi