—— Do you mind my opening the window? It’s a bit hot in here.
—— ，as a matter of fact.
A. Go ahead
B. Yes， my pleasure
C. Yes， I do
D. Come on
网友回答
A. Go ahead
B. Yes， my pleasure
(答案→)C. Yes， I do
D. Come on
解析：考查交际用语，根据回答中的as a matter of fact，可知作者很介意。