If You Are Flying West and Have Lengthened Your Travel

If you are flying west and have lengthened your travel day, the best thing to do in order to reset your circadian clock to the new time zone would be to avoid:

A) outdoor light in the evening and expose yourself to outdoor light in the early morning.
B) outdoor light in the morning and expose yourself to outdoor light in the late afternoon or early evening.
C) outdoor light in the afternoon and expose yourself to outdoor light in the early morning and late evening.
D) all outdoor light during the day after you arrive.