问题
How soon will you start your journey? — I’m not sure. I haven’t decided_______.
A:when shall I ask the boss for leave
B:where I will go to spend the holiday
C:if I would go by train or by plane
D:who should I travel with
B:where I will go to spend the holiday
C:if I would go by train or by plane
D:who should I travel with
正确答案是：
