Which sentence below is properly punctuated?
a. i am typing a letter, and she is talking on the phone.
b. she finished her work and, then took a long lunch.
c. mae said "why don't you come up and see me sometime? "
select the best answer from the choices provided a b c

sonnet 130 follows the typical rhyme scheme of the form abab cdcd efef gg and is composed in iambic pentameter,a type of a poetic metre based on five pairs of metrically weak/strong syllabic positions.the first line exemplifies iambic pentameter.

what book are we talking about here