The words that suggest luxury would be: delightful, comfort, voyage and imaginable.
Voyage implies a long and exciting journey or trip.
Delightful indicates great pleasure
Comfort is a word related to luxury
Imaginable used in this context gives the idea that whatever you may want, or desire, you will find in the trip.
A patrol goes into the mountains for a weeklong operation to monitor enemy movement. The jungle is spooky, and the men start hearing strange, eerie noises which become an opera, a glee club, chanting, and so on, but the voices they hear are not human.
im sorry if im wrong :)
Im not sure best guess is B