The root word for irresponsible is spons.
It means not reliable.
Hope this helps.
The poem Testimonial by Rita Dove expressed the overwhelming
joy that life can bring to one person. She had expressed how she sees the little
things that many had failed to notice. Dove accepts what life can offer her and
she accepts it with an open-heart
The most accurate answer among the choices to complete the question is the fourth one (hanging indent). This refers to types of paragraphs in which only the second and succeeding lines are being indented.
Hope my answer has come to satisfy your query.