Questions 135~138 refer to the following information.

A recent study __135__ in the Human Brain Mapping journal has shed light on the significance of dreams and their role in our daily lives, particularly in handling __136__ situations. The study involved 18 participants whose brain activity was monitored during sleep, with a focus on dreams that invoked fear. The researchers discovered that the brain responds to fearful stimuli in a similar way during sleep as it does when we are awake. The researchers then conducted a dream diary study __137__ eighty-nine participants who were exposed to emotionally negative images and neutral images in an MRI machine after maintaining a dream diary for a week. The study revealed that dreams help individuals prepare for similar situations that they may encounter in real life. __138__ , the lead researcher, Dr. Lampros Perogamvros, cautioned that while bad dreams may have some beneficial effects, nightmares are characterized by excessive fear that can disrupt sleep and have negative consequences upon waking up.
【題組】135.
(A)which published
(B)which publishes
(C)is published
(D)published