B.
What is involved in the process of visual recognition? __(36)__, like computer data, visual memories of an object must be stored; then, a
mechanism must exist for them to be retrieved. But how does this process work? The eye triggers the nerves __(37)__ action. This neural activity
__(38)__ a picture in the brain’s memory system, an internal image of the object observed. When the eye once again confronts that object, the object is
compared with its internal image; if the two images match, recognition takes place.
【題組】37. (A)from (B)when (C)into (D)upon