When you are preparing for your college adventures abroad, it is easy to __________.

A．Factors that affect the ability to memorize.
B．The influence of childhood memories oil adulthood.
C．A proposal for future psychological research.
D．Benefits of a busy lifestyle.

A．They left their pets with neighbors.
B．They rented their house to a student.
C．They hired someone to stay in their home.
D．They asked their gardener to watch their house.