Given below are four sentences in jumbled order. Pick the option that gives their correct order.

A. The zip on the bag got jammed and wouldn’t open no matter how hard I pulled at it.

B. We were flying to England for a week.

C. I also remembered that I had put the frequent flyer card in the carry-on bag hanging around my neck.

D. As we were checking in, I remembered that I was a member of the frequent flyer programme.