I am not 16 years old, so my parents don't allow m...

Câu hỏi: I am not 16 years old, so my parents don't allow me to ride a motorbike.

A. Unless I am 16 years old, my parents wouldn’t allow me to ride a motorbike.

B. If I am 16 years old, my parents will allow me to ride a motorbike.

C. Unless I were 16 years, old my parents would allow me to ride a motorbike.

D. If I were 16 years old, my parents would allow me to ride a motorbike.