Answer: The second option: no rhyme, ten syllables to a line, and pairs of syllables in which the second syllable is stressed.
Step-by-step explanation:
Blank verse does not rhyme.
Blank verse is an iambic pentamer which means that the verse, consisting of ten syllables per line, has an alternate pattern of stressed and unstressed syllables.
Blank verse has a characteristic pattern: the unstressed syllable follows the stressed one.