12. According to paragraph 6 in the passage, stiffening the upper lip may have which of the
following effects?
(A)It first suppresses the stress, then intensifies it.
(B) It may cause fear and tension in those who see it.
(C) It can damage the lip muscles.
(D)It may either heighten or reduce emotional response.
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統計: A(3), B(1), C(0), D(2), E(0) #3293652
統計: A(3), B(1), C(0), D(2), E(0) #3293652