Hey user
the answer to this is going to be
B
Walt Whitman's intense patriotism caused him to volunteer in hospitals
<h3>Yes it is a run-on sentence</h3>
It's a combination of two sentences. It should be written as:
"Ms. Hartman, an interior designer, asks her clients to fill out a design questionnaire. She uses it to get a sense of their personalities and style preferences."
Need more information, please! :)