The teacher wanted to know .A. when was Linda bornB. if I was interested in mathC. what I

问题补充：

The teacher wanted to know .

A. when was Linda born

B. if I was interested in math

C. what I will do with the computer

D. how many books have you got

答案：

A. when was Linda born

(答案→)B. if I was interested in math

C. what I will do with the computer

D. how many books have you got

解析：know后跟的宾语从句应该用陈述的顺序，故不选AD，本题的主句是过去时，从句应该用过去时的一种，故本题选B。