[单项选择]If you dream in color, you’re not alone: the majority of people today claim to have. colorful dreams. But it wasn’t ’always thus. Research conducted in the early part of the last century consistently found that people reported dreaming most often in black and white. According to Eva Murzyn at the University of Dundee, there are at least two possible explanations for this strange anomaly(反常).
The first is methodological. The early studies tended to use questionnaires, whereas more modern studies use dream diaries (filled in upon rising in the morning) or so-called "REM-awakening", which involves interrupting people’s dream-filled periods of sleep to find out what they were dreaming about. People’s memories of their dreams are likely to be less accurate using the questionnaire approach and more likely to reflect lay(世俗的) beliefs about the form dreams generally take.
The second explanation has to do with black and white television and film. It’s possible that the boom in bl
A. people tend to have fewer dreams
B. the subject of people’s dreams changed a lot
C. people’s idea about dream forms were affected
D. people’s dreams tend to be more active