After the age of 40, many workers tend to______rather than face possible rejection.

A．The number of sun flares.
B．The heat of the sun.
C．The sunspot cycle.
D．The weather.

A．She will be the team leader who organizes the excursion for students.
B．Many students will go to the Fragrance Hill in the holiday.
C．Some students are opposed to going to the Fragrance Hill in the holiday.
D．It’s uncertain whether the excursion will take place.