How did you learn to drive when you were young?
Correct answer: A
Interrogative sentence structure simple past tense: Did + S + V infinitive?
This is an interrogative sentence with the question word “how”. Learners borrow the auxiliary verb “did” and put it before the subject “you”. The verb “learn” is used in the infinitive.
How did you learned to drive when you were young?
Translation: How did you learn to drive as a child?