Pre-test 12; 1/25

lily88888UID: 2828533

All actors are exuberant people and all exuberant people are extroverts, but nevertheless it is true that some shy people are actors.

If the statesment above are true, each of the following must also be true except:

A. Some shy people are extroverts.
B. Some shy extroverts are not actors.
C. Some exuberant people who are actors are shy.
D. All people who are not extrovert are not actors.
E. Some extroverts are shy.

duijinxiaoziUID: 2585955

题干的逻辑结构：
actors ---------》  exuberant  -------》extrovert
actors  《---（some）----》shy
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组合：
actors ---------》  exuberant  -------》extrovert 《---（some）----》shy
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ACDE 肯定对。