Bathing, deodorant, antiperspirant
I would say B, as both A and D are obviously incorrect and stress can be a natural part of life as long as it does not dominate you.
The corticospinal tract carries motor signals from the primary motor cortex in the brain, down the spinal cord, to the muscles of the trunk and limbs. And The corticobulbar tract carries efferent, motor, information from the primary motor cortex to the muscles of the face, head and neck.
Answer:
i recommend going out to socialize with others often. try to be friendly and approachable. also, i suggest you stay well groomed (take shower often, brush teeth, etc) before you stink up the others or scare them off with your smell.
do not lock yourself in your house, away from all other human beings for almost a year. there's a possibility you will lose some communication and act crazed and blasty when you finally come into contact with others. speaking from experience.