问题补充：
— What did Tina say just now?
— She asked this summer holiday.
A. whether could you teach her dance
B. that whether you could teach her dance
C. if could you teach her dance
D. if you could teach her dance
答案：
A. whether could you teach her dance
B. that whether you could teach her dance
C. if could you teach her dance
(答案→)D. if you could teach her dance
解析：考查宾语从句。如何一个宾语从句都使用陈述语序，排除AC。B项连接词混乱。故D正确。句意：—刚才Tina说了什么？—他问今年暑假你是否可以教她跳舞。
