The Purpose of Daylight Savings Time Is to

The purpose of Daylight Savings Time is to

A) allow an extra hour per day for crops to grow during the growing season,at the expense of an hour per day when crops are not in the ground.
B) provide an extra hour of daylight in the evening hours,to conserve energy,at the expense of an hour of daylight in the morning hours.
C) adjust for variations in the speed of Earth's orbit around the Sun at different times of the year.
D) allow the Greenwich Mean Time system to represent the actual position of the Sun in the sky more accurately.