Read the following lines from “The Third Bank of the River.”

“I said it as loud as I could, ‘Father, you have been out there long enough. You are old…Come back, you don’t have to do it anymore…Come back and I’ll go instead. Right now, if you want. Any time, I’ll get into the boat. I’ll take your place.’

And when I had said this my heart beat more firmly.

He heard me. He stood up. He maneuvered with his oars and headed the boat towards me. He had accepted my offer. And suddenly I trembled, down deep. For he had raised his arm and waved – the first time in so many, so many years. And I couldn’t…In terror, my hair on end, I fled madly.”

Which of the following stylistic elements is used by the write in these lines?
a.allusion
b.hyperbole
c.irony
d.paradox