The correct answer is D all of these are in the state of linking. These are verbs that do not represent action but are related to it. Hope this helps!
Homework causes a lot of stress for the students In fact, too much homework can do more harm than good. Researchers have cited drawbacks, including boredom and burnout toward academic material, less time for family and extracurricular activities, lack of sleep and increased stress. Also the teachers just give homework without understanding the amount of load they have on them multiple teachers give homework at the same time and the students are forced to do them all or they get punished!
