Answer:
I think A is correct
Explanation:
The secretary has been busy all afternoon to type some files or documents.
The feature that makes this excerpt a blank verse is that , while it does not present rhyme, it does present iambic pentameter.
Iambic pentamenter consists of lines of five <em>feet</em>, with each <em>foot </em>being two syllables long, one unstressed followed by one stressed syllable. The result is that each verse sounds like it has a heart beat rhythm.