— Should I follow in my father’s footsteps and study medicine?
— .
A. It doesn’t matter.
B. Don’t mention it.
C. That’s all right.
D. It’s up to you.
网友回答
A. It doesn’t matter.
B. Don’t mention it.
C. That’s all right.
(答案→)D. It’s up to you.
解析：四个选项的含义分别是：A. It doesn’t matter.没关系， B. Don’t mention it. 不用谢，C. That’s all right.没关系， D. It’s up to you.由你决定。句意：--我应该追随爸爸的足迹学习医学吗？所以回答是“由你决定”，选D。