The research question serves two purposes: It determines where and what kind of research the writer will be looking for. It identifies the specific objectives the study or paper will address.
where are the lines?
By the way underlined depicts a word or phrase marked with a line under it...
Answer:
We learned about unconditional love and loyalty, because Doodle loved him always, even when the narrator was treating Doodle with deliberate cruelty. We learned about gentleness and sensitivity. (We remembered watching Doodle struggle alone to bury the ibis.)