Answer:
<em>I'm not so sure</em>, but I think it's B.
Explanation:
I say this because I don't see <u>why it needs</u> a comma.
Again, <em>please</em> don't get <u>mad</u> at me if it's wrong!
The answer to this is
<span>A. Transportation planners define abbreviated work schedules as those that are "regularly less than 40 hours per week" (47 Reidel)
hope this helped </span>
Do you need an example or are there some written for you already?
An internal condition affecting listening is loud music or noise.
I hope this helped :)