16. Which TWO statements best describe the purpose
of the time diaries in the author's research?
A. to find out what people do when they are stuck
in traffic
OB. to determine why Americans have such long
commutes
✔C. to learn how people can improve their
productivity over time
OD. to predict how drivers will likely use their free
time in the future
OE. to assess how honest people are about how
they spend their time
OF. to identify categories of people who could
benefit from self-driving cars