WHO IS A CLEVER STUDENT????

A CA Student was appearing for his final exams and after completion of his first exam his father was asking him about the details of his exam as under:

DAD: Beta, how did you wrote your exams?

SON: Dad,

I did not answered the Ist Question as its was very difficult.

I did not answered the 3rd Question as i didn't know the answer.

I did not answered the 4th Question as i didn't understand the Question.        

I did not answered the 5th Question due to lack of time.

I did not answered the 6th Question as i didn't saw the Question in the paper.

DAD: (With High Anger): WHAT ABOUT THE 2nd QUESTION???

SON: (Coolly replied): I LEFT THE QUESTION IN "CHOICE"...............