—Should I follow in my father’s footsteps and study medicine?— .A. It doesn’t matter.B. Do

问题补充：

—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.

答案：

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：考查交际用语：A. It doesn’t matter.没关系，B. Don’t mention it.别提了，C. That’s all right.没关系，D. It’s up to you.由你决定，句意：--我应该遵循爸爸的足迹学习医学吗？--这由你决定。选D。