问题

I wonder, Mr Adams, ______ you’d mind us asking a few questions.—______I am all ears.
A:if; Yes, go ahead
B:whether; No, go ahead
C:that; Sure, go ahead/T
D:if; Sure, go ahead
B:whether; No, go ahead
C:that; Sure, go ahead/T
D:if; Sure, go ahead
正确答案是: