Assume a Warm Air Parcel, at Sea Level, Has a Temperature

Multiple Choice

Assume a warm air parcel, at sea level, has a temperature of 21°C (70°F) and begins to rise upward. Assume it becomes saturated at 1000 m (3300 ft) altitude, and continues to rise to 2000 m (6600 ft.) altitude. What would the approximate temperature of the parcel be at an elevation of 2000 m (6600 ft.) ?

A) 1°C (44.6°F)
B) 5°C (46.4°F)
C) 8.2°C (48.2°F)
D) 9°C (41.°F)