There are still many problems ahead of us, but by this time next year we can see light at the end of the_______.

A．is one of the largest oil producers and exporters in the world
B．has done better in fighting against poverty than against unemployment
C．is encountering great dissatisfaction with its oil development in the Niger delta
D．is faced with high unemployment and continued poverty throughout the country

A．the time needed for sending the parcel.
B．the flight time to New York.
C．the parcel destination.
D．parcel collection.