Dr. Peter Diot believes that it may be effective to use ARVs to ________________.

A．Make everyone work for you.
B．Get everyone willing to help you.
C．Let people know you have the final say.
D．Keep giving orders to everyone.

A．He has lost his history book.
B．He doesn’t like the history course.
C．He has to read a lot of history books.
D．He finds history books difficult to understand.