—What’s your ?— It’s 446-1209.A. ID cardB. first nameC. family nameD. telephone number

问题补充：

—What’s your ?

— It’s 446-1209.

A. ID card

B. first name

C. family name

D. telephone number

答案：

A. ID card

B. first name

C. family name

(答案→)D. telephone number

解析：根据答语 It’s 446-1209可知，这是电话号码的表达法。所以本句应该是问电话号码是多少。所以本题选D。