i really don't know_i put my wallet after i paid the billA.where was it B.it was where that C.where it was that D.where was it that 我已经找不到此题的结构了

i really don't know_i put my wallet after i paid the bill
A.where was it B.it was where that C.where it was that D.where was it that 我已经找不到此题的结构了