22. Which of the following is a major finding of the research?
(A) There is a clear causal relationship between aerobic fitness and vocabulary recall.
(B) Physical wellness is connected with one’s communicative abilities at an old age.
(C) Regular exercise has a long-lasting effect on one’s language processing capabilities.
(D) A larger vocabulary size is conducive to reducing the difficulty in word retrieval.

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統計： A(1), B(1), C(2), D(0), E(0) #3002798