In each of the given questions, three sentences are given with a phrase/idiom highlighted in bold. You have to select the answer choice that states the combination of statements in which the idiom has been correctly used.

I. He asked me whether I would like to have dinner with his family, but I had a thing so I said, rain check.

II. She tells great tales but we take whatever she says with a grain of salt. 

III. Everyone took hours to write the code but Adam did it like a butterwalk.