47. Which of the following can be inferred from the article about individuals who do not get enough REM sleep?
(A) They will completely lose the ability to dream during non-REM sleep phase.
(B) They will experience an unnatural increase in prefrontal cortex activity.
(C) They may struggle to perform efficiently on newly learned, complex tasks.
(D) They are more likely to remember trivial daily events than emotionally charged ones.

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統計： A(0), B(0), C(2), D(0), E(0) #3992801