Answer: C. His reputation for clever dealing betrays him when he tells the truth.
The statement in letter c shows irony because it presents contrasting events. Mr. Hauchecorne is a clever person however the irony strikes on him when nobody believes him and makes fun of his cleverness when he said the truth about the string.
Denotation is the answer.
When can you help me?
when do you go home?
espero haberte ayudado...buena suerte!
It should be with understanding. With the evidence provided