Answer:
<h3>Option B is the correct answer .☺☺</h3>
Explanation:
<h2> As it contains that which is (relative clause).</h2>
I do not understand the question.
Some students feel the four-day school week provides an opportunity for extra rest and a less stressful environment. Being out of school one extra day per week allows students to relax or to be more productive. The four-day format provides opportunities for an extra work day at an after-school job, engaging in volunteer activities or pursuing additional educational goals. Also, students who are athletes don't miss as much class and have less work to make up when events occur on a day off. Teachers and administrators also benefit from this because
