Which of the following best illustrates the use of irony? a. "she wept at once, with sudden, wild abandonment, in her sister's arms." b. "she was young, with a fair, calm face, whose lines bespoke repression and even a certain strength." c. "and yet she had loved him--sometimes. often she had not. what did it matter! " d. "when the doctors came they said she had died of heart disease--of joy that kills."