Answer:
C. how the library was arranged
D. a science article about how talking directly on cell phones changes brain waves
Answer:
Don't worry, I can take care of myself.
The answer is A. Use the gerund at the beginning to show action,
complete the sentence with subject and verb that show why the action was
completed. This concise method is widely used and generally understood
by readers at first glance. Other arrangements may technically work but
will likely cause confusion.
