Which words in a telegram from the story suggest that Bertie really does know what his aunt wants
but doesn't want to do it?
A "Come at once." (line 5)
B"What on earth is there to be perplexed about ...?" (line 17)
C"How do you mean come at once?" (line 19)
D "And when you say 'At once' do you mean 'At once'?" (lines 24 and 25)