根据短文内容，从短文后的选项中选出能填入空白处的最佳选项，选项中有两项为多余选项。
If you participate in an online class, it is best to think of it as just another class. If you think that you will have less work, less stress, and more time on your hands, think again. Most students work harder in an online class than in a traditional classroom setting.
_____ However, many students take this flexibility for granted. They will rarely participate in their online classes. This is one of the main reasons why people fail when participating in an online class.
The key to success is time management and organization. Treat this class the same way you would treat a traditional class. ______  But, in an online class, the students have to read the text, read the professor’s lecture notes, Participate  in online discussion forums, take exams, prepare essays, prepare individual or group assignments,etc. All of these must be done with very little help. So, if you are not self-motivated and disciplined, online learning is probably not for you.
Create a schedule for working on your assignments. Make sure your family members are aware of your schedule so you won’t be bothered during these times. ______ Treat those times as you would if you had to physically attend a class.
Be sure you have the Tech Support phone number dandy as well, in case computer problem arise. ______ That way, you won’t miss any assignments or deadlines due to technical difficulties.
______ If you have some emergencies, you could end up missing a deadline and lowering your grade. Make sure you know your professor’s policy for accepting late assignments. Be sure to read comments given to you by your professor and always ask for help if you need it. These tips will help you to succeed in your online course.
People can attend online classes at any time.
No matter what happens, stick to your schedule.
Try to have a back-up computer that you can use.
Don’t wait until the last minute to submit assignments.
Communication online makes contact with each other easier.
Be sure you have the contact information for at least 2 other students.
In a traditional class, you have an instructor who leads lectures and discussions.