While you are hurrying to the airport, _______in a heavy traffic jam in a taxi is quite an unpleasant experience．

While you are hurrying to the airport, _______in a heavy traffic jam in a taxi is quite an unpleasant experience．

1. A.
   having caught
2. B.
   being caught
3. C.
   caught
4. D.
   having been caught

While you are hurrying to the airport, _______in a heavy traffic jam in a taxi is quite an unpleasant experience．

________ in a heavy traffic jam in a taxi while you are hurrying to the airport is quite an unpleasant experience.

A. Having caught   B. Being caught  C. Caught        D. Having been caught