90

(一)  1-5
BBBAA           AABBA           AABBA           BBABA

(二)
ABBDD

B  --many
A  --were you doing
C  --listened
C  who has-that has
A  --there was a man
B  --information
C  --was delayed
D  --have to
B  --smoking
C  --go out

ACBAC

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