for the photo of your family.A. ThankB. ThanksC. Thanks youD. Thank your

问题补充：

for the photo of your family.

A. Thank

B. Thanks

C. Thanks you

D. Thank your

答案：

A. Thank

(答案→)B. Thanks

C. Thanks you

D. Thank your

解析：句意：谢谢你的全家福。Thanks for sth意为“谢谢某人的物品或帮助”；thank sb for（doing）sth意为“谢谢某人（做了）某事物”；故选B。