题干
—I'm sorry but I'm afraid I can't go to your party tonight.
—Never mind. Maybe _______ time.
A：other
B：the other
C：others
D：another
答案(点此获取答案解析）
D
—I'm sorry but I'm afraid I can't go to your party tonight.
—Never mind. Maybe _______ time.
A：other
B：the other
C：others
D：another
，若
是
的一个极值点，则
的值为（ ）
