. The concert was a great success--there wasn’t a single empty seat in the concert hall, ____ it was very cold.

The concert was a great success--there wasn’t a single empty seat in the concert hall, ____ it was very cold

1. A.
   because
2. B.
   when
3. C.
   unless
4. D.
   although

. The concert was a great success--there wasn’t a single empty seat in the concert hall, ____ it was very cold.

   A. because             B. when               C. unless              D. although

. The concert was a great success--there wasn’t a single empty seat in the concert hall, ____ it was very cold.

 The concert was a great success--there wasn’t a single empty seat in the concert hall, ____ it was very cold.

   A. because             B. when               C. unless              D. although