--- I heard that there are a few seats left for tonight’s show.
--- Really? I was under the impression ______ they were sold out a long time ago.
A. what B. which C. that D. where
--- I heard that there are a few seats left for tonight’s show.
--- Really? I was under the impression ______ they were sold out a long time ago.
A. what B. which C. that D. where
C