阅读下列短文，从每题所给的四个选项（A、B、C和D）中，选出最佳选项。
A
Learning new words is learning new ideas: High school students can take control of
their learning by always looking up new words and finding out what they mean. They should keep a dictionary and a thesaurus close at hand.
Make clear lists: Students should make a list of everything that they need to get done. They should check off assignments（作业）once completed. They should include clear due dates.
Make a commitment: Active learners will resolve to keep up –to-date from the start. They will avoid procrastinating. They will complete most of their work as early as possible.
