I'll never understand how it ________ that you were an hour late on such a short journey.

1. A.
   was taken place
2. B.
   caused
3. C.
   came about
4. D.
   was happened

I'll never understand how it _____ that you were an hour late on such a short journey.

1. A.
   came across
2. B.
   came about
3. C.
   came into
4. D.
   came along

I’ll never understand how it _______ that you were an hour late on such a short trip.

   A. came on     B. came about     C. came out     D. came over

I'll never understand how it ________ that you were an hour late on such a short journey.

[　　]

I’ll never understand how it __________ that you were an hour late on such a short journey.

A. came across　　　　　　　　　　　　　　　　　　　　  B. came about

C. came into　　　　　　　　　　　　　　　　　　　　　　　　    D. came along