The old lady was sitting in the _____ of a large tree looking very relaxed and happy.

A．He can drive there in less than 20 minutes.
B．The traffic is very heavy at this time of the day.
C．The museum is not open today.
D．The woman should ask another driver for help.

A．A travel agent.
B．A school teacher.
C．A customer officer.
D．A receptionist.