(2014·南京四校阶段调研)Misunderstandings________from lack of social communication,unless________properly,may lead to serious problems. 
#88436
A
arisen;handling 
B
arising;handled
C
rising;handled 
D
risen;handling
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I counted the people          the activity, and there were 286 of them.
#93339
A
were taking part in
B
taking part in
C
taken part in
D
took part in
_____ of danger in the street at night, she had to go home with a friend _____ her.
#91294
A
Being warned; accompanied
B
Having warned; accompanying
C
Warning; accompanying
D
Having been warned; accompanying